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since childhood is characterised by&#160;the progressive achievement of autonomy and independence&#160;from the parents&#8217; point of view&#46;<span class="elsevierStyleSup">2-7 </span>To receive information from the children themselves we need to develop specific&#160;questionnaires for this age&#44; although for the very young&#160;children we will ask the closest caregivers&#46;<span class="elsevierStyleSup">8 </span>Perhaps the ideal&#160;solution would be to rely on both opinions&#46;&#160;The most effective measurement methods in older children are&#160;self-applied questionnaires&#44; while interviews are more suitable&#160;for younger children whose attention spans are limited&#46;<span class="elsevierStyleSup">1&#160;</span>Questionnaires can be generic&#44; regardless of the health-disease&#160;status&#44; not created to detect differences between disease or&#160;therapeutic modalities and specific&#44; which are applied to one&#160;conduct disorder and are suitable for evaluating the influence&#160;of different treatments&#46; Generic measurements are used when&#160;the objective is to establish comparisons between different&#160;diagnostic or population groups&#59; however&#44; specific instruments&#160;need to be used to determine HRQL and to compare treatments&#160;or variables of a specific disorder&#46;&#160;The questionnaires need to be reliable&#44; valid&#44; sensitive to&#160;change and adequately translated if the original is written in&#160;a different language&#44;<span class="elsevierStyleSup">9 </span>which explains why there are&#160;questionnaires for only a few paediatric diseases&#46; Despite the&#160;fact that HRQL is being measured for many years in adults&#160;with chronic kidney disease &#40;CKD&#41;&#44; there is currently no&#160;Spanish-language questionnaire for children with CKD&#46; We&#160;only have one English reference of a North American group&#160;of researchers working on its development&#46;<span class="elsevierStyleSup">10&#160;</span>Our objective was to create a specific questionnaire on HRQL for&#160;children with chronic kidney disease &#40;CKD&#41; in Spanish&#46; We&#160;wanted to determine the most important parameters associated with&#160;the disease and the questions that can be answered by children&#46; We&#160;began with our previous study on the quality of life &#40;QL&#41; for&#160;children with CKD with a generic questionnaire&#44;<span class="elsevierStyleSup">11 </span>in which we&#160;found significant differences concerning the physical function&#44;&#160;physical role and general health status healthy children&#46;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">MATERIAL AND METHODS</span></p><p class="elsevierStylePara">Before developing this specific questionnaire on HRQL for&#160;children with CKD&#44; we assessed their QL and the most affected&#160;areas in relation to healthy group using the MOS-SF 20 generic&#160;questionnaire&#44; completed by our patients with CKD and their&#160;parents&#44; as well as a homogeneous sample of healthy children&#160;and their parents&#46;<span class="elsevierStyleSup">11&#160;</span>At the same time&#44; we searched the bibliography for specific&#160;questionnaires on the QL for children with chronic diseases<span class="elsevierStyleSup">9&#44;12-14&#160;</span>and for adults with CKD&#44; since there are no specific&#160;questionnaires for children with CKD in Spanish&#46; KDQOLSF<span class="elsevierStyleSup">TM&#160;</span>is one of the most used instruments in adults with&#160;CKD&#46;<span class="elsevierStyleSup">15&#44;16 </span>It is a specific instrument for adults with renal failure&#44;&#160;comprising thirty questions&#44; some of which belong to the SF-&#160;36 general health questionnaire of the IQOLA project&#44; while&#160;others are specific to kidney disease&#46;&#160;Among the specific questionnaires for children with chronic&#160;diseases we found four developed in Spain and another five&#160;that have been adapted&#46;<span class="elsevierStyleSup">9 </span>The questionnaire for asthmatic&#160;children &#40;PAQLQ&#41;<span class="elsevierStyleSup">17 </span>and the quality of life scale for children&#160;suffering from cancer &#40;ECVNO&#41;&#44;<span class="elsevierStyleSup">18 </span>both developed in 1996&#44; as&#160;well as the quality of life questionnaire for children with spina&#160;bifida &#40;1997&#41;<span class="elsevierStyleSup">19 </span>and CAVE&#44;<span class="elsevierStyleSup">20 </span>which measures the quality of life&#160;of children with epilepsy&#44; stand out among the former&#46; We&#160;decided to use CAVE as a basis for the creation of our&#160;questionnaire&#44; since epilepsy&#44; similar to CKD&#44; is a chronic&#160;disease of long duration that generally requires frequent&#160;clinical and analytical tests&#44; the taking of medication and a&#160;limitation of certain physical activities&#46;&#160;From the KDQOL-SF<span class="elsevierStyleSup">TM </span>questionnaire we kept the general&#160;health questions of the SF-36 that constitute the general&#160;perception of health and pain and for which we adjusted the&#160;scope of physical activity and emotional status to the actual&#160;characteristics of childhood according to our experience with&#160;children and the parents&#8217; opinion&#46; Concerning the specific&#160;questions on kidney disease&#44; we kept those related to clinical&#160;symptoms and the aspects that mainly worry patients&#44; which&#160;are the same in both children and adults&#44; making small&#160;changes to adapt them to the paediatric age and substituting&#160;the questions related to the work environment and sexual&#160;activity with questions on school&#44; playing&#44; autonomy or&#160;family&#46; Furthermore&#44; we deleted the items referring to sleep&#44;&#160;since sleep was not a concern for the children participating in&#160;our study nor was it mentioned by their parents&#46; We added&#160;items referring to physical appearance and the number of&#160;hospital admissions and hospitalisation days&#44; which influence&#160;children more than adults&#46; From the CAVE questionnaire we&#160;kept the items on learning&#44; autonomy&#44; social relationships and&#160;school attendance&#44; maintaining their initial wording&#44; while we&#160;deleted the items on the intensity of the attack&#44; its frequency&#160;and its management&#46; From this questionnaire we did not use&#160;the item referring to the parents&#8217; opinion when evaluating their&#160;opinion as widely as possible&#46; The parents themselves&#160;completed the entire questionnaire separately from their&#160;children&#46; The new questionnaire is multidimensional and&#160;covers the physical function and the psychological and social&#160;aspects recommended by the World Health Organisation&#44; as&#160;well as other aspects&#46;&#160;Once the first version of the questionnaire was completed&#44; and&#160;after confirming that it was comprehensible for children over&#160;the age of nine and their parents&#44; it was first given to children&#160;with kidney disease and their parents&#46; This was done in order&#160;to determine the difficulties in its comprehension and&#160;completion&#46; We therefore modified the wording of the most&#160;difficult-to-understand questions until the final version of&#160;questionnaire was completed&#44; taking into account the opinion&#160;of parents and children&#46;&#160;All of the patients and their parents participated voluntarily in the&#160;study&#44; with previous verbal explanation of the contents of the questionnaire&#44; and granted their consent&#46; The questionnaire was&#160;given at the hospital when the follow-ups were carried out&#44; and&#160;both patients and their parents were told how and who needed to&#160;answer each questionnaire&#46; The questionnaires were completed in&#160;the waiting room of the examination room and were given back&#160;that same day&#46; Seventy-one children with CKD took part&#58; 33 with&#160;functioning kidney transplant&#44; 11 on peritoneal dialysis&#44; 5 on&#160;haemodialysis and 22 with conservative treatment&#46;&#160;Children older than nine completed the questionnaire on&#160;their own while their parents did the same&#44; trying to reflect&#160;how their children felt&#46; For the children younger than nine&#160;the questionnaire was completed only by the parents&#46;&#160;To determine the questionnaire&#8217;s reliability we carried out the&#160;Cronbach Alpha Coefficient&#44; which studies the internal&#160;consistency of the different items that comprise the test&#46; It&#160;calculates the correlation of the elements within the scale&#44;&#160;quantifying the degree to which an instrument&#8217;s items and&#160;aspects measure the same concept&#46; A coefficient greater than&#160;0&#46;7 indicates good internal consistency&#46;&#160;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">RESULTS</span></p><p class="elsevierStylePara">We developed a specific questionnaire on QL for children&#160;with CKD which we called TECAVNER &#40;quality of life&#160;test in children with kidney disease&#41;&#44; based on the CAVE<span class="elsevierStyleSup">20&#160;</span>and KDQOL-SF<span class="elsevierStyleSup">TM </span>questionnaires&#46;<span class="elsevierStyleSup">15-16 </span>This questionnaire&#160;determines the general health status&#44; physical status&#44; pain&#160;and vital status and provides us with a particular view on&#160;the specific quality of life caused by kidney disease and&#160;how it is perceived by patients&#46;&#160;The questionnaire is divided into 14 domains&#44; some of which&#160;comprise various items or questions with a score ranging&#160;from 0 to 100 &#8211; a higher score indicating a better health&#160;status&#46; The maximum score is 5&#44;700&#44; which corresponds to&#160;the best health status&#46; The domains are as follows&#58;&#160;</p><p class="elsevierStylePara">1&#46; General health&#58; personal evaluation of the current health status&#160;and resistance to the disease &#40;2 items&#58; questions 1 and 2&#41;&#46;&#160;</p><p class="elsevierStylePara">2&#46; Physical function or activity&#44; that is&#44; how the health status&#160;limits daily physical activities such as walking&#44; playing&#44;&#160;jumping&#44; etc&#46; &#40;6 items&#58; questions 3&#44; 4&#46;1&#44; 4&#46;2&#44; 4&#46;3&#44; 4&#46;4 and 4&#46;5&#41;&#46;</p><p class="elsevierStylePara">3&#46; School attendance&#44; that is&#44; school absences caused by the&#160;disease &#40;1 item&#58; question 5&#41;&#46;</p><p class="elsevierStylePara">4&#46; Learning&#44; that is&#44; the cognitive field regarding other&#160;children of the same age &#40;1 item&#58; question 6&#41;&#46;</p><p class="elsevierStylePara">5&#46; Autonomy&#44; that is&#44; the different autonomy capabilities according&#160;to the child&#8217;s age&#44; such as eating and getting dressed without&#160;help&#44; going to school alone&#44; etc&#46; &#40;1 item&#58; question 7&#41;&#46;</p><p class="elsevierStylePara">6&#46; Social relationships&#44; that is&#44; how the health status interferes&#160;with daily social activities &#40;1 item&#58; question 8&#41;&#46;</p><p class="elsevierStylePara">7&#46; Pain&#44; that is&#44; its intensity and effects on everyday life &#40;1&#160;item&#58; question 9&#41;&#46;</p><p class="elsevierStylePara">8&#46; Emotional well-being&#44; that is&#44; how emotional problems&#160;interfere with daily activities &#40;6 items&#58; questions 10&#46;1&#44;&#160;10&#46;2&#44; 10&#46;4&#44; 10&#46;5&#44; 10&#46;6 and 10&#46;7&#41;&#46;</p><p class="elsevierStylePara">9&#46; Fatigue-energy&#44; that is&#44; the feeling of full energy&#44; vigour or&#160;cheerfulness&#44; and tiredness&#44; fatigue or exhaustion &#40;3 items&#58;&#160;questions 10&#46;3&#44; 10&#46;8 and 10&#46;9&#41;&#46;</p><p class="elsevierStylePara">10&#46; Cognitive function &#40;3 items&#58; questions 10&#46;10&#44; 10&#46;11 and&#160;10&#46;12&#41;&#46;</p><p class="elsevierStylePara">11&#46; Emotional presentation caused by kidney disease &#40;4 items&#58;&#160;questions 11&#46;1&#44; 11&#46;2&#44; 11&#46;3 and 11&#46;4&#41;&#46;</p><p class="elsevierStylePara">12&#46; Symptoms of kidney disease &#40;9 items&#58; questions 12&#46;1&#44;&#160;12&#46;2&#44; 12&#46;3&#44; 12&#46;4&#44; 12&#46;5&#44; 12&#46;6&#44; 12&#46;7&#44; 12&#46;8 and 12&#46;9&#41;&#46;</p><p class="elsevierStylePara">13&#46; Effects of kidney disease on the patient&#8217;s life &#40;14 items&#58;&#160;questions 13&#46;1&#44; 13&#46;2&#44; 13&#46;3&#44; 13&#46;4&#44; 13&#46;5&#44; 13&#46;6&#44; 13&#46;7&#44; 13&#46;8&#44; 13&#46;9&#44; 13&#46;10&#44; 13&#46;11&#44; 13&#46;12&#44; 13&#46;13 and 13&#46;14&#41;&#46;</p><p class="elsevierStylePara">14&#46; Personal time dedicated to medical care &#40;5 items&#58;&#160;questions 14&#44; 15&#44; 16&#44; 17 and 18&#41;&#46;</p><p class="elsevierStylePara">The questionnaire&#8217;s reliability using the Cronbach Alpha&#160;Coefficient is 0&#46;925 in the child self-report and 0&#46;9156 in the&#160;parent proxy-report&#46; Internal consistency is very good&#44; since&#160;the Cronbach Alpha Coefficient is greater than 0&#46;7 in all&#160;domains&#46;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">DISCUSSION AND CONCLUSIONS</span></p><p class="elsevierStylePara">This questionnaire &#40;TECAVNER&#41; can be used in children&#160;with CKD&#44; is easy to answer and only requires approximately&#160;half an hour to complete&#46; It is extremely reliable &#40;Cronbach&#160;Alpha Coefficient at 0&#46;925&#41; with a high internal consistency&#160;in all domains&#44; taking into account an acceptable reliability&#160;level if the coefficient is greater than 0&#46;7&#46; The questionnaire&#8217;s&#160;Spanish version for adults with kidney disease &#40;KDQOL-SF&#41;&#160;has an internal consistency with a Cronbach Alpha&#160;Coefficient for each domain between 0&#46;67 and 0&#46;87&#44; while for&#160;the entire questionnaire the internal consistency is 0&#46;93&#46;<span class="elsevierStyleSup">21 </span>The&#160;questionnaire&#8217;s limitations are that although its internal&#160;validity has been determined and is very good&#44; we have not&#160;carried out the test-retest nor the construct validity which&#160;would absolutely validate the test&#46;&#160;With this questionnaire we attempt to make the first step in&#160;the study of HRQL in children with CKD&#44; and although we have yet to validate it&#44; we have applied it to our group and the&#160;preliminary results obtained&#44; included in this article&#44;<span class="elsevierStyleSup">22 </span>lead us to&#160;believe that it can be a good test for paediatric patients with&#160;CKD&#46; The broadening of this study to a multi-centre one that&#160;includes a larger number of patients would grant greater&#160;reliability and validity to this questionnaire&#44; since there is no&#160;other specific and validated instrument in Spanish in the current&#160;literature to measure the quality of life of paediatric patients&#160;with CKD&#46; The results will help us understand the limitations of&#160;our patients and their concerns&#44; thus we will be able to offer&#160;them a treatment according to their true needs&#46; By including a&#160;higher number of patients we could determine the sensitivity to&#160;change and evaluate how the patients&#8217; quality of life improves&#160;or deteriorates when changing one substitute treatment to&#160;another&#46;&#160;Last but not least&#44; we emphasised that the patients&#8217; collaboration&#160;and that of their parents was&#44; in general&#44; excellent&#46; Many of them&#44;&#160;still without any significant problems detected&#44; required and lacked&#160;psychological help both for the patients and for other family&#160;members who&#44; although healthy&#44; had a poor quality of life&#44; anxiety&#160;and depression&#46; The simple fact of completing the questionnaire&#160;made them feel better&#44; since they could express their feelings and&#160;emotions&#44; and they felt closer to the health professionals&#46;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">Annex 1&#46; </span>Specific quality of life test for children with chronic kidney disease &#40;TECAVNER&#41;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">A&#46; GENERAL PERCEPTION OF HEALTH STATUS</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">1&#46; </span>In general&#44; would you say that your health is&#58;</p><p class="elsevierStylePara">Excellent 1</p><p class="elsevierStylePara">Very good 2</p><p class="elsevierStylePara">Good 3</p><p class="elsevierStylePara">Normal 4</p><p class="elsevierStylePara">Bad 5</p><p class="elsevierStylePara"><span class="elsevierStyleBold">2&#46; </span>How would you describe your current health status&#44; compared with last year&#63;</p><p class="elsevierStylePara">Much better now 1</p><p class="elsevierStylePara">Somewhat better now 2</p><p class="elsevierStylePara">More or less the same 3</p><p class="elsevierStylePara">Somewhat worse now 4</p><p class="elsevierStylePara">Much worse now 5</p><p class="elsevierStylePara"><span class="elsevierStyleBold">B&#46; PHYSICAL ACTIVITY</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">Physical ability</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">3&#46; </span>Are you able to walk&#44; run&#44; climb or jump similar to other children of your age&#63;</p><p class="elsevierStylePara">Yes 1</p><p class="elsevierStylePara">No 2</p><p class="elsevierStylePara"><span class="elsevierStyleBold">Limitation of daily activities</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">4&#46; </span>Does your kidney disease make it difficult for you to carry out daily activities that other children do&#63;</p><p class="elsevierStylePara">4&#46;1&#46; Go to school &#40;you have to spend less time at school&#41; Yes No</p><p class="elsevierStylePara">4&#46;2&#46; Play Yes No</p><p class="elsevierStylePara">4&#46;3&#46; Take a bath Yes No</p><p class="elsevierStylePara">4&#46;4&#46; You did fewer things than what you wanted to do Yes No</p><p class="elsevierStylePara">4&#46;5&#46; You had to stop carrying out some tasks due to your health Yes No</p><p class="elsevierStylePara"><span class="elsevierStyleBold">C&#46; SCHOOL ATTENDANCE</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">5&#46;</span></p><p class="elsevierStylePara">Very bad Total truancy</p><p class="elsevierStylePara">Bad Missing a third or more of the trimester</p><p class="elsevierStylePara">Normal Missing one week or more of the trimester</p><p class="elsevierStylePara">Good Fewer than seven days of the trimester</p><p class="elsevierStylePara">Very good No absence</p><p class="elsevierStylePara"><span class="elsevierStyleBold">D&#46; LEARNING</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">6&#46;</span></p><p class="elsevierStylePara">Very bad None&#44; including loss of what has been learned</p><p class="elsevierStylePara">Bad Hardly any&#44; without regression</p><p class="elsevierStylePara">Regular Average&#44; slow continuance</p><p class="elsevierStylePara">Good Similar to the average</p><p class="elsevierStylePara">Very good Excellent&#44; above the average</p><p class="elsevierStylePara"><span class="elsevierStyleBold">E&#46; AUTONOMY</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">7&#46; </span>You must relate to the proper functions of the child&#8217;s age &#40;a one-year-old unweaned baby must have autonomy to be hand-fed&#44;</p><p class="elsevierStylePara">while at school age the child must go to the toilet on his or her own and eat and get dressed without help&#41;&#58;</p><p class="elsevierStylePara">Very bad None</p><p class="elsevierStylePara">Bad Partial dependency</p><p class="elsevierStylePara">Normal Rare dependency&#44; fictitious&#44; family over-protection</p><p class="elsevierStylePara">Good No comment</p><p class="elsevierStylePara">Very good Excellent</p><p class="elsevierStylePara"><span class="elsevierStyleBold">F&#46; SOCIAL RELATIONSHIPS</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">8&#46;</span></p><p class="elsevierStylePara">Very bad Total isolation</p><p class="elsevierStylePara">Bad Tendency to isolation&#44; occasional relationships within the family circle</p><p class="elsevierStylePara">Normal Occasional isolation within and outside the family circle</p><p class="elsevierStylePara">Good No comment</p><p class="elsevierStylePara">Very good Excellent social relationships&#44; extreme extroversion</p><p class="elsevierStylePara"><span class="elsevierStyleBold">G&#46; PAIN</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">9&#46; </span>Have you felt pain in any part of your body over the last four weeks&#63;</p><p class="elsevierStylePara">Yes&#44; very intense 6</p><p class="elsevierStylePara">Yes&#44; intense 5</p><p class="elsevierStylePara">Yes&#44; moderate 4</p><p class="elsevierStylePara">Yes&#44; slight 3</p><p class="elsevierStylePara">Yes&#44; minimal 2</p><p class="elsevierStylePara">No&#44; none 1</p><p class="elsevierStylePara"><span class="elsevierStyleBold">H&#46; EMOTIONAL STATUS&#46; PSYCHIC FUNCTION</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">10&#46; </span>Which of the feelings below did you experience over the last month&#63; To what extent did you feel them&#63;</p><p class="elsevierStylePara">1&#46; Never</p><p class="elsevierStylePara">2&#46; Occasionally</p><p class="elsevierStylePara">3&#46; Sometimes</p><p class="elsevierStylePara">4&#46; Quite a lot of times</p><p class="elsevierStylePara">5&#46; Many times</p><p class="elsevierStylePara">6&#46; Always</p><p class="elsevierStylePara">10&#46;1&#46; Very nervous</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;2&#46; Melancholic&#44; nothing cheered me up</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;3&#46; Full of vitality</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;4&#46; Tranquil&#44; at peace</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;5&#46; Depressed&#44; feeling blue</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;6&#46; Exhausted</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;7&#46; Happy</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;8&#46; Tired</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;9&#46; With energy to do what I want</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;10&#46; Difficulty in remembering things</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;11&#46; Difficulty in doing things that require concentration or thought</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;12&#46; Slow reaction to things said or done</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara"><span class="elsevierStyleBold">I&#46; KIDNEY DISEASE</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">11&#46; </span>Emotional presentation for kidney disease&#58;</p><p class="elsevierStylePara">To what degree do you consider each of the following statements to be true or false&#63;&#58;</p><p class="elsevierStylePara">1&#46; Totally true</p><p class="elsevierStylePara">2&#46; Somewhat true</p><p class="elsevierStylePara">3&#46; I do not know</p><p class="elsevierStylePara">4&#46; Somewhat false</p><p class="elsevierStylePara">5&#46; Totally false</p><p class="elsevierStylePara">11&#46;1&#46; My kidney disease greatly affects my life</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">11&#46;2&#46; It takes over too much of my time</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">11&#46;3&#46;Feel frustrated in having to deal with my disease</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">11&#46;4&#46; feel like a burden to my family</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara"><span class="elsevierStyleBold">12&#46; </span>Symptoms of kidney disease</p><p class="elsevierStylePara">During the last four weeks&#44; when were you bothered by the following symptoms&#63;</p><p class="elsevierStylePara">1&#46; Never</p><p class="elsevierStylePara">2&#46; A little</p><p class="elsevierStylePara">3&#46; Normal</p><p class="elsevierStylePara">4&#46; A lot</p><p class="elsevierStylePara">5&#46; Extremely</p><p class="elsevierStylePara">12&#46;1&#46; Muscular pains</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;2&#46; Cramps</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;3&#46; Skin irritation</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;4&#46; Skin dryness</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;5&#46; Fainting or sickness</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;6&#46; Loss of appetite</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;7&#46; Tired&#44; with no strength</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;8&#46; Tingling in the hands or feet</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;9&#46; Nauseas or stomach upsets</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara"><span class="elsevierStyleBold">13&#46; </span>Effects of kidney disease on your life&#58;</p><p class="elsevierStylePara">How much does your disease bother you in the following areas&#63;</p><p class="elsevierStylePara">1&#46; Never</p><p class="elsevierStylePara">2&#46; A little</p><p class="elsevierStylePara">3&#46; Normal</p><p class="elsevierStylePara">4&#46; A lot</p><p class="elsevierStylePara">5&#46; Extremely</p><p class="elsevierStylePara">13&#46;1&#46; Limitation of liquids</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;2&#46; Limitation of diet</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;3&#46; Change in the family mealtimes due to the medication</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara"><span class="elsevierStyleBold">Taking of medication</span></p><p class="elsevierStylePara">13&#46;4&#46; Outside meals</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;5&#46; With meals</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;6&#46; Taste of the medication</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;7&#46; How much does it bother you to take the medication&#63;</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;8&#46; Go to hospital for medical examinations</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;9&#46; Carrying out blood tests &#40;pain or feeling of discomfort due to the extraction&#41;</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;10&#46; Hospital admissions</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;11&#46; Depending on doctors</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;12&#46; Depending on parents</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;13&#46; Your physical appearance&#58; short&#44; catheter fistula&#44; changes due to medication&#44; bone deformities</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;14&#46; Your ability to go to school &#40;your school results are affected by the disease&#41;</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara"><span class="elsevierStyleBold">J&#46; TIME USED IN KIDNEY DISEASE</span></p><p class="elsevierStylePara">If you received medical care in the last four weeks&#44; can you remember how many times you required seeing the doctor or be hospitalised&#63;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">14&#46; </span>How many nights did you spent in hospital&#63;</p><p class="elsevierStylePara">0 days 1-2 days 3-5 days 6-10 days 11-15 days 16-20 days &#62;20 days</p><p class="elsevierStylePara"><span class="elsevierStyleBold">15&#46; </span>How many times did you go to hospital for an examination or to the emergency department&#63;</p><p class="elsevierStylePara">0 days 1-2 days 3-5 days 6-10 days 11-15 days 16-20 days &#62;20 days</p><p class="elsevierStylePara"><span class="elsevierStyleBold">16&#46; </span>How many times did you require a visit by a nurse or another health professional at home&#63;</p><p class="elsevierStylePara">0 days 1-2 days 3-5 days 6-10 days 11-15 days 16-20 days &#62;20 days</p><p class="elsevierStylePara"><span class="elsevierStyleBold">17&#46; </span>How many times did you require general care from your family members &#40;e&#46;g&#46; to take a bath&#44; get dressed&#44; etc&#46;&#41;&#63;</p><p class="elsevierStylePara">0 days 1-2 days 3-5 days 6-10 days 11-15 days 16-20 days &#62;20 days</p><p class="elsevierStylePara"><span class="elsevierStyleBold">18&#46; </span>How many times did you call the hospital&#44; your doctor or nurse for a medical examination over the telephone&#63;</p><p class="elsevierStylePara">0 days 1-2 days 3-5 days 6-10 days 11-15 days 16-20 days &#62;20 days</p><p class="elsevierStylePara"><span class="elsevierStyleBold">&#160;</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">SUPPORTING SUMMARY</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">1&#46; What is known of the issue&#63;</span></p><p class="elsevierStylePara">There are generic questionnaires that measure the quality of life in children&#44; allowing for a comparison to be made with healthy&#160;groups&#59; however&#44; there are no specific questionnaires on the quality of life of children with kidney disease that allow for the assessment&#160;of variations within the disease itself&#46; Over the last years&#44; four questionnaires have been developed in Spanish and another five&#160;have been adapted&#44; which are specific on the quality of life of children with certain chronic diseases &#40;reference 19&#41;&#44; but none of which&#160;are on kidney disease&#46; In the United States a group of researchers &#40;reference 20&#41; is working on the development of a specific questionnaire&#160;for children with kidney disease in English&#44; which should be translated into Spanish and validated prior to its application&#46;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">2&#46; What contribution does the study make&#63;</span></p><p class="elsevierStylePara">Our study contributes to the creation of a specific questionnaire that measures the quality of life of children with kidney disease in&#160;Spanish&#44; with a reliability rate of 0&#46;92 that is determined by using the Cronbach Alpha Coefficient with an internal consistency greater&#160;than 0&#46;7 &#40;very good&#41; in all aspects&#46; It is the only Spanish-language questionnaire for children with kidney disease&#44; and we only&#160;know of one other questionnaire&#44; which is being developed in English&#46;</p><p class="elsevierStylePara"><a href="grande&#47;1012018078&#95;anexo&#95;cod&#95;10120&#46;jpg" class="elsevierStyleCrossRefs"><img src="1012018078_anexo_cod_10120.jpg" alt="Specific quality of life test for children with chronic kidney disease &#40;TECAVNER&#41;"></img></a></p><p class="elsevierStylePara">Specific quality of life test for children with chronic kidney disease &#40;TECAVNER&#41;</p>"
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Design of a quality of life questionnaire in Spanish for children with chronic renal disease
Desarrollo de un cuestionario en español de medida de calidad de vida en pacientes pediátricos con enfermedad renal crónica
Cristina Aparicio Lópeza, A.. Fernández Escribanob, A.. Luque de Pablosb, E.. Izquierdo Garcíab, G.. Garrido Cantaneroc
a Servicio de Pediatría. Nefrología Pediátrica, Hospital Universitario de Getafe, Madrid, España,
b Servicio de Nefrología Infantil, Hospital General Universitario Gregorio Marañón, Madrid, España,
c Organización Nacional de Trasplantes, España,
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since childhood is characterised by&#160;the progressive achievement of autonomy and independence&#160;from the parents&#8217; point of view&#46;<span class="elsevierStyleSup">2-7 </span>To receive information from the children themselves we need to develop specific&#160;questionnaires for this age&#44; although for the very young&#160;children we will ask the closest caregivers&#46;<span class="elsevierStyleSup">8 </span>Perhaps the ideal&#160;solution would be to rely on both opinions&#46;&#160;The most effective measurement methods in older children are&#160;self-applied questionnaires&#44; while interviews are more suitable&#160;for younger children whose attention spans are limited&#46;<span class="elsevierStyleSup">1&#160;</span>Questionnaires can be generic&#44; regardless of the health-disease&#160;status&#44; not created to detect differences between disease or&#160;therapeutic modalities and specific&#44; which are applied to one&#160;conduct disorder and are suitable for evaluating the influence&#160;of different treatments&#46; Generic measurements are used when&#160;the objective is to establish comparisons between different&#160;diagnostic or population groups&#59; however&#44; specific instruments&#160;need to be used to determine HRQL and to compare treatments&#160;or variables of a specific disorder&#46;&#160;The questionnaires need to be reliable&#44; valid&#44; sensitive to&#160;change and adequately translated if the original is written in&#160;a different language&#44;<span class="elsevierStyleSup">9 </span>which explains why there are&#160;questionnaires for only a few paediatric diseases&#46; Despite the&#160;fact that HRQL is being measured for many years in adults&#160;with chronic kidney disease &#40;CKD&#41;&#44; there is currently no&#160;Spanish-language questionnaire for children with CKD&#46; We&#160;only have one English reference of a North American group&#160;of researchers working on its development&#46;<span class="elsevierStyleSup">10&#160;</span>Our objective was to create a specific questionnaire on HRQL for&#160;children with chronic kidney disease &#40;CKD&#41; in Spanish&#46; We&#160;wanted to determine the most important parameters associated with&#160;the disease and the questions that can be answered by children&#46; We&#160;began with our previous study on the quality of life &#40;QL&#41; for&#160;children with CKD with a generic questionnaire&#44;<span class="elsevierStyleSup">11 </span>in which we&#160;found significant differences concerning the physical function&#44;&#160;physical role and general health status healthy children&#46;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">MATERIAL AND METHODS</span></p><p class="elsevierStylePara">Before developing this specific questionnaire on HRQL for&#160;children with CKD&#44; we assessed their QL and the most affected&#160;areas in relation to healthy group using the MOS-SF 20 generic&#160;questionnaire&#44; completed by our patients with CKD and their&#160;parents&#44; as well as a homogeneous sample of healthy children&#160;and their parents&#46;<span class="elsevierStyleSup">11&#160;</span>At the same time&#44; we searched the bibliography for specific&#160;questionnaires on the QL for children with chronic diseases<span class="elsevierStyleSup">9&#44;12-14&#160;</span>and for adults with CKD&#44; since there are no specific&#160;questionnaires for children with CKD in Spanish&#46; KDQOLSF<span class="elsevierStyleSup">TM&#160;</span>is one of the most used instruments in adults with&#160;CKD&#46;<span class="elsevierStyleSup">15&#44;16 </span>It is a specific instrument for adults with renal failure&#44;&#160;comprising thirty questions&#44; some of which belong to the SF-&#160;36 general health questionnaire of the IQOLA project&#44; while&#160;others are specific to kidney disease&#46;&#160;Among the specific questionnaires for children with chronic&#160;diseases we found four developed in Spain and another five&#160;that have been adapted&#46;<span class="elsevierStyleSup">9 </span>The questionnaire for asthmatic&#160;children &#40;PAQLQ&#41;<span class="elsevierStyleSup">17 </span>and the quality of life scale for children&#160;suffering from cancer &#40;ECVNO&#41;&#44;<span class="elsevierStyleSup">18 </span>both developed in 1996&#44; as&#160;well as the quality of life questionnaire for children with spina&#160;bifida &#40;1997&#41;<span class="elsevierStyleSup">19 </span>and CAVE&#44;<span class="elsevierStyleSup">20 </span>which measures the quality of life&#160;of children with epilepsy&#44; stand out among the former&#46; We&#160;decided to use CAVE as a basis for the creation of our&#160;questionnaire&#44; since epilepsy&#44; similar to CKD&#44; is a chronic&#160;disease of long duration that generally requires frequent&#160;clinical and analytical tests&#44; the taking of medication and a&#160;limitation of certain physical activities&#46;&#160;From the KDQOL-SF<span class="elsevierStyleSup">TM </span>questionnaire we kept the general&#160;health questions of the SF-36 that constitute the general&#160;perception of health and pain and for which we adjusted the&#160;scope of physical activity and emotional status to the actual&#160;characteristics of childhood according to our experience with&#160;children and the parents&#8217; opinion&#46; Concerning the specific&#160;questions on kidney disease&#44; we kept those related to clinical&#160;symptoms and the aspects that mainly worry patients&#44; which&#160;are the same in both children and adults&#44; making small&#160;changes to adapt them to the paediatric age and substituting&#160;the questions related to the work environment and sexual&#160;activity with questions on school&#44; playing&#44; autonomy or&#160;family&#46; Furthermore&#44; we deleted the items referring to sleep&#44;&#160;since sleep was not a concern for the children participating in&#160;our study nor was it mentioned by their parents&#46; We added&#160;items referring to physical appearance and the number of&#160;hospital admissions and hospitalisation days&#44; which influence&#160;children more than adults&#46; From the CAVE questionnaire we&#160;kept the items on learning&#44; autonomy&#44; social relationships and&#160;school attendance&#44; maintaining their initial wording&#44; while we&#160;deleted the items on the intensity of the attack&#44; its frequency&#160;and its management&#46; From this questionnaire we did not use&#160;the item referring to the parents&#8217; opinion when evaluating their&#160;opinion as widely as possible&#46; The parents themselves&#160;completed the entire questionnaire separately from their&#160;children&#46; The new questionnaire is multidimensional and&#160;covers the physical function and the psychological and social&#160;aspects recommended by the World Health Organisation&#44; as&#160;well as other aspects&#46;&#160;Once the first version of the questionnaire was completed&#44; and&#160;after confirming that it was comprehensible for children over&#160;the age of nine and their parents&#44; it was first given to children&#160;with kidney disease and their parents&#46; This was done in order&#160;to determine the difficulties in its comprehension and&#160;completion&#46; We therefore modified the wording of the most&#160;difficult-to-understand questions until the final version of&#160;questionnaire was completed&#44; taking into account the opinion&#160;of parents and children&#46;&#160;All of the patients and their parents participated voluntarily in the&#160;study&#44; with previous verbal explanation of the contents of the questionnaire&#44; and granted their consent&#46; The questionnaire was&#160;given at the hospital when the follow-ups were carried out&#44; and&#160;both patients and their parents were told how and who needed to&#160;answer each questionnaire&#46; The questionnaires were completed in&#160;the waiting room of the examination room and were given back&#160;that same day&#46; Seventy-one children with CKD took part&#58; 33 with&#160;functioning kidney transplant&#44; 11 on peritoneal dialysis&#44; 5 on&#160;haemodialysis and 22 with conservative treatment&#46;&#160;Children older than nine completed the questionnaire on&#160;their own while their parents did the same&#44; trying to reflect&#160;how their children felt&#46; For the children younger than nine&#160;the questionnaire was completed only by the parents&#46;&#160;To determine the questionnaire&#8217;s reliability we carried out the&#160;Cronbach Alpha Coefficient&#44; which studies the internal&#160;consistency of the different items that comprise the test&#46; It&#160;calculates the correlation of the elements within the scale&#44;&#160;quantifying the degree to which an instrument&#8217;s items and&#160;aspects measure the same concept&#46; A coefficient greater than&#160;0&#46;7 indicates good internal consistency&#46;&#160;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">RESULTS</span></p><p class="elsevierStylePara">We developed a specific questionnaire on QL for children&#160;with CKD which we called TECAVNER &#40;quality of life&#160;test in children with kidney disease&#41;&#44; based on the CAVE<span class="elsevierStyleSup">20&#160;</span>and KDQOL-SF<span class="elsevierStyleSup">TM </span>questionnaires&#46;<span class="elsevierStyleSup">15-16 </span>This questionnaire&#160;determines the general health status&#44; physical status&#44; pain&#160;and vital status and provides us with a particular view on&#160;the specific quality of life caused by kidney disease and&#160;how it is perceived by patients&#46;&#160;The questionnaire is divided into 14 domains&#44; some of which&#160;comprise various items or questions with a score ranging&#160;from 0 to 100 &#8211; a higher score indicating a better health&#160;status&#46; The maximum score is 5&#44;700&#44; which corresponds to&#160;the best health status&#46; The domains are as follows&#58;&#160;</p><p class="elsevierStylePara">1&#46; General health&#58; personal evaluation of the current health status&#160;and resistance to the disease &#40;2 items&#58; questions 1 and 2&#41;&#46;&#160;</p><p class="elsevierStylePara">2&#46; Physical function or activity&#44; that is&#44; how the health status&#160;limits daily physical activities such as walking&#44; playing&#44;&#160;jumping&#44; etc&#46; &#40;6 items&#58; questions 3&#44; 4&#46;1&#44; 4&#46;2&#44; 4&#46;3&#44; 4&#46;4 and 4&#46;5&#41;&#46;</p><p class="elsevierStylePara">3&#46; School attendance&#44; that is&#44; school absences caused by the&#160;disease &#40;1 item&#58; question 5&#41;&#46;</p><p class="elsevierStylePara">4&#46; Learning&#44; that is&#44; the cognitive field regarding other&#160;children of the same age &#40;1 item&#58; question 6&#41;&#46;</p><p class="elsevierStylePara">5&#46; Autonomy&#44; that is&#44; the different autonomy capabilities according&#160;to the child&#8217;s age&#44; such as eating and getting dressed without&#160;help&#44; going to school alone&#44; etc&#46; &#40;1 item&#58; question 7&#41;&#46;</p><p class="elsevierStylePara">6&#46; Social relationships&#44; that is&#44; how the health status interferes&#160;with daily social activities &#40;1 item&#58; question 8&#41;&#46;</p><p class="elsevierStylePara">7&#46; Pain&#44; that is&#44; its intensity and effects on everyday life &#40;1&#160;item&#58; question 9&#41;&#46;</p><p class="elsevierStylePara">8&#46; Emotional well-being&#44; that is&#44; how emotional problems&#160;interfere with daily activities &#40;6 items&#58; questions 10&#46;1&#44;&#160;10&#46;2&#44; 10&#46;4&#44; 10&#46;5&#44; 10&#46;6 and 10&#46;7&#41;&#46;</p><p class="elsevierStylePara">9&#46; Fatigue-energy&#44; that is&#44; the feeling of full energy&#44; vigour or&#160;cheerfulness&#44; and tiredness&#44; fatigue or exhaustion &#40;3 items&#58;&#160;questions 10&#46;3&#44; 10&#46;8 and 10&#46;9&#41;&#46;</p><p class="elsevierStylePara">10&#46; Cognitive function &#40;3 items&#58; questions 10&#46;10&#44; 10&#46;11 and&#160;10&#46;12&#41;&#46;</p><p class="elsevierStylePara">11&#46; Emotional presentation caused by kidney disease &#40;4 items&#58;&#160;questions 11&#46;1&#44; 11&#46;2&#44; 11&#46;3 and 11&#46;4&#41;&#46;</p><p class="elsevierStylePara">12&#46; Symptoms of kidney disease &#40;9 items&#58; questions 12&#46;1&#44;&#160;12&#46;2&#44; 12&#46;3&#44; 12&#46;4&#44; 12&#46;5&#44; 12&#46;6&#44; 12&#46;7&#44; 12&#46;8 and 12&#46;9&#41;&#46;</p><p class="elsevierStylePara">13&#46; Effects of kidney disease on the patient&#8217;s life &#40;14 items&#58;&#160;questions 13&#46;1&#44; 13&#46;2&#44; 13&#46;3&#44; 13&#46;4&#44; 13&#46;5&#44; 13&#46;6&#44; 13&#46;7&#44; 13&#46;8&#44; 13&#46;9&#44; 13&#46;10&#44; 13&#46;11&#44; 13&#46;12&#44; 13&#46;13 and 13&#46;14&#41;&#46;</p><p class="elsevierStylePara">14&#46; Personal time dedicated to medical care &#40;5 items&#58;&#160;questions 14&#44; 15&#44; 16&#44; 17 and 18&#41;&#46;</p><p class="elsevierStylePara">The questionnaire&#8217;s reliability using the Cronbach Alpha&#160;Coefficient is 0&#46;925 in the child self-report and 0&#46;9156 in the&#160;parent proxy-report&#46; Internal consistency is very good&#44; since&#160;the Cronbach Alpha Coefficient is greater than 0&#46;7 in all&#160;domains&#46;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">DISCUSSION AND CONCLUSIONS</span></p><p class="elsevierStylePara">This questionnaire &#40;TECAVNER&#41; can be used in children&#160;with CKD&#44; is easy to answer and only requires approximately&#160;half an hour to complete&#46; It is extremely reliable &#40;Cronbach&#160;Alpha Coefficient at 0&#46;925&#41; with a high internal consistency&#160;in all domains&#44; taking into account an acceptable reliability&#160;level if the coefficient is greater than 0&#46;7&#46; The questionnaire&#8217;s&#160;Spanish version for adults with kidney disease &#40;KDQOL-SF&#41;&#160;has an internal consistency with a Cronbach Alpha&#160;Coefficient for each domain between 0&#46;67 and 0&#46;87&#44; while for&#160;the entire questionnaire the internal consistency is 0&#46;93&#46;<span class="elsevierStyleSup">21 </span>The&#160;questionnaire&#8217;s limitations are that although its internal&#160;validity has been determined and is very good&#44; we have not&#160;carried out the test-retest nor the construct validity which&#160;would absolutely validate the test&#46;&#160;With this questionnaire we attempt to make the first step in&#160;the study of HRQL in children with CKD&#44; and although we have yet to validate it&#44; we have applied it to our group and the&#160;preliminary results obtained&#44; included in this article&#44;<span class="elsevierStyleSup">22 </span>lead us to&#160;believe that it can be a good test for paediatric patients with&#160;CKD&#46; The broadening of this study to a multi-centre one that&#160;includes a larger number of patients would grant greater&#160;reliability and validity to this questionnaire&#44; since there is no&#160;other specific and validated instrument in Spanish in the current&#160;literature to measure the quality of life of paediatric patients&#160;with CKD&#46; The results will help us understand the limitations of&#160;our patients and their concerns&#44; thus we will be able to offer&#160;them a treatment according to their true needs&#46; By including a&#160;higher number of patients we could determine the sensitivity to&#160;change and evaluate how the patients&#8217; quality of life improves&#160;or deteriorates when changing one substitute treatment to&#160;another&#46;&#160;Last but not least&#44; we emphasised that the patients&#8217; collaboration&#160;and that of their parents was&#44; in general&#44; excellent&#46; Many of them&#44;&#160;still without any significant problems detected&#44; required and lacked&#160;psychological help both for the patients and for other family&#160;members who&#44; although healthy&#44; had a poor quality of life&#44; anxiety&#160;and depression&#46; The simple fact of completing the questionnaire&#160;made them feel better&#44; since they could express their feelings and&#160;emotions&#44; and they felt closer to the health professionals&#46;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">Annex 1&#46; </span>Specific quality of life test for children with chronic kidney disease &#40;TECAVNER&#41;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">A&#46; GENERAL PERCEPTION OF HEALTH STATUS</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">1&#46; </span>In general&#44; would you say that your health is&#58;</p><p class="elsevierStylePara">Excellent 1</p><p class="elsevierStylePara">Very good 2</p><p class="elsevierStylePara">Good 3</p><p class="elsevierStylePara">Normal 4</p><p class="elsevierStylePara">Bad 5</p><p class="elsevierStylePara"><span class="elsevierStyleBold">2&#46; </span>How would you describe your current health status&#44; compared with last year&#63;</p><p class="elsevierStylePara">Much better now 1</p><p class="elsevierStylePara">Somewhat better now 2</p><p class="elsevierStylePara">More or less the same 3</p><p class="elsevierStylePara">Somewhat worse now 4</p><p class="elsevierStylePara">Much worse now 5</p><p class="elsevierStylePara"><span class="elsevierStyleBold">B&#46; PHYSICAL ACTIVITY</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">Physical ability</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">3&#46; </span>Are you able to walk&#44; run&#44; climb or jump similar to other children of your age&#63;</p><p class="elsevierStylePara">Yes 1</p><p class="elsevierStylePara">No 2</p><p class="elsevierStylePara"><span class="elsevierStyleBold">Limitation of daily activities</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">4&#46; </span>Does your kidney disease make it difficult for you to carry out daily activities that other children do&#63;</p><p class="elsevierStylePara">4&#46;1&#46; Go to school &#40;you have to spend less time at school&#41; Yes No</p><p class="elsevierStylePara">4&#46;2&#46; Play Yes No</p><p class="elsevierStylePara">4&#46;3&#46; Take a bath Yes No</p><p class="elsevierStylePara">4&#46;4&#46; You did fewer things than what you wanted to do Yes No</p><p class="elsevierStylePara">4&#46;5&#46; You had to stop carrying out some tasks due to your health Yes No</p><p class="elsevierStylePara"><span class="elsevierStyleBold">C&#46; SCHOOL ATTENDANCE</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">5&#46;</span></p><p class="elsevierStylePara">Very bad Total truancy</p><p class="elsevierStylePara">Bad Missing a third or more of the trimester</p><p class="elsevierStylePara">Normal Missing one week or more of the trimester</p><p class="elsevierStylePara">Good Fewer than seven days of the trimester</p><p class="elsevierStylePara">Very good No absence</p><p class="elsevierStylePara"><span class="elsevierStyleBold">D&#46; LEARNING</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">6&#46;</span></p><p class="elsevierStylePara">Very bad None&#44; including loss of what has been learned</p><p class="elsevierStylePara">Bad Hardly any&#44; without regression</p><p class="elsevierStylePara">Regular Average&#44; slow continuance</p><p class="elsevierStylePara">Good Similar to the average</p><p class="elsevierStylePara">Very good Excellent&#44; above the average</p><p class="elsevierStylePara"><span class="elsevierStyleBold">E&#46; AUTONOMY</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">7&#46; </span>You must relate to the proper functions of the child&#8217;s age &#40;a one-year-old unweaned baby must have autonomy to be hand-fed&#44;</p><p class="elsevierStylePara">while at school age the child must go to the toilet on his or her own and eat and get dressed without help&#41;&#58;</p><p class="elsevierStylePara">Very bad None</p><p class="elsevierStylePara">Bad Partial dependency</p><p class="elsevierStylePara">Normal Rare dependency&#44; fictitious&#44; family over-protection</p><p class="elsevierStylePara">Good No comment</p><p class="elsevierStylePara">Very good Excellent</p><p class="elsevierStylePara"><span class="elsevierStyleBold">F&#46; SOCIAL RELATIONSHIPS</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">8&#46;</span></p><p class="elsevierStylePara">Very bad Total isolation</p><p class="elsevierStylePara">Bad Tendency to isolation&#44; occasional relationships within the family circle</p><p class="elsevierStylePara">Normal Occasional isolation within and outside the family circle</p><p class="elsevierStylePara">Good No comment</p><p class="elsevierStylePara">Very good Excellent social relationships&#44; extreme extroversion</p><p class="elsevierStylePara"><span class="elsevierStyleBold">G&#46; PAIN</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">9&#46; </span>Have you felt pain in any part of your body over the last four weeks&#63;</p><p class="elsevierStylePara">Yes&#44; very intense 6</p><p class="elsevierStylePara">Yes&#44; intense 5</p><p class="elsevierStylePara">Yes&#44; moderate 4</p><p class="elsevierStylePara">Yes&#44; slight 3</p><p class="elsevierStylePara">Yes&#44; minimal 2</p><p class="elsevierStylePara">No&#44; none 1</p><p class="elsevierStylePara"><span class="elsevierStyleBold">H&#46; EMOTIONAL STATUS&#46; PSYCHIC FUNCTION</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">10&#46; </span>Which of the feelings below did you experience over the last month&#63; To what extent did you feel them&#63;</p><p class="elsevierStylePara">1&#46; Never</p><p class="elsevierStylePara">2&#46; Occasionally</p><p class="elsevierStylePara">3&#46; Sometimes</p><p class="elsevierStylePara">4&#46; Quite a lot of times</p><p class="elsevierStylePara">5&#46; Many times</p><p class="elsevierStylePara">6&#46; Always</p><p class="elsevierStylePara">10&#46;1&#46; Very nervous</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;2&#46; Melancholic&#44; nothing cheered me up</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;3&#46; Full of vitality</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;4&#46; Tranquil&#44; at peace</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;5&#46; Depressed&#44; feeling blue</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;6&#46; Exhausted</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;7&#46; Happy</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;8&#46; Tired</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;9&#46; With energy to do what I want</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;10&#46; Difficulty in remembering things</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;11&#46; Difficulty in doing things that require concentration or thought</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">10&#46;12&#46; Slow reaction to things said or done</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara"><span class="elsevierStyleBold">I&#46; KIDNEY DISEASE</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">11&#46; </span>Emotional presentation for kidney disease&#58;</p><p class="elsevierStylePara">To what degree do you consider each of the following statements to be true or false&#63;&#58;</p><p class="elsevierStylePara">1&#46; Totally true</p><p class="elsevierStylePara">2&#46; Somewhat true</p><p class="elsevierStylePara">3&#46; I do not know</p><p class="elsevierStylePara">4&#46; Somewhat false</p><p class="elsevierStylePara">5&#46; Totally false</p><p class="elsevierStylePara">11&#46;1&#46; My kidney disease greatly affects my life</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">11&#46;2&#46; It takes over too much of my time</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">11&#46;3&#46;Feel frustrated in having to deal with my disease</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara">11&#46;4&#46; feel like a burden to my family</p><p class="elsevierStylePara">1 2 3 4 5 6</p><p class="elsevierStylePara"><span class="elsevierStyleBold">12&#46; </span>Symptoms of kidney disease</p><p class="elsevierStylePara">During the last four weeks&#44; when were you bothered by the following symptoms&#63;</p><p class="elsevierStylePara">1&#46; Never</p><p class="elsevierStylePara">2&#46; A little</p><p class="elsevierStylePara">3&#46; Normal</p><p class="elsevierStylePara">4&#46; A lot</p><p class="elsevierStylePara">5&#46; Extremely</p><p class="elsevierStylePara">12&#46;1&#46; Muscular pains</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;2&#46; Cramps</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;3&#46; Skin irritation</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;4&#46; Skin dryness</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;5&#46; Fainting or sickness</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;6&#46; Loss of appetite</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;7&#46; Tired&#44; with no strength</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;8&#46; Tingling in the hands or feet</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">12&#46;9&#46; Nauseas or stomach upsets</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara"><span class="elsevierStyleBold">13&#46; </span>Effects of kidney disease on your life&#58;</p><p class="elsevierStylePara">How much does your disease bother you in the following areas&#63;</p><p class="elsevierStylePara">1&#46; Never</p><p class="elsevierStylePara">2&#46; A little</p><p class="elsevierStylePara">3&#46; Normal</p><p class="elsevierStylePara">4&#46; A lot</p><p class="elsevierStylePara">5&#46; Extremely</p><p class="elsevierStylePara">13&#46;1&#46; Limitation of liquids</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;2&#46; Limitation of diet</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;3&#46; Change in the family mealtimes due to the medication</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara"><span class="elsevierStyleBold">Taking of medication</span></p><p class="elsevierStylePara">13&#46;4&#46; Outside meals</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;5&#46; With meals</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;6&#46; Taste of the medication</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;7&#46; How much does it bother you to take the medication&#63;</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;8&#46; Go to hospital for medical examinations</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;9&#46; Carrying out blood tests &#40;pain or feeling of discomfort due to the extraction&#41;</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;10&#46; Hospital admissions</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;11&#46; Depending on doctors</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;12&#46; Depending on parents</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;13&#46; Your physical appearance&#58; short&#44; catheter fistula&#44; changes due to medication&#44; bone deformities</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara">13&#46;14&#46; Your ability to go to school &#40;your school results are affected by the disease&#41;</p><p class="elsevierStylePara">1 2 3 4 5</p><p class="elsevierStylePara"><span class="elsevierStyleBold">J&#46; TIME USED IN KIDNEY DISEASE</span></p><p class="elsevierStylePara">If you received medical care in the last four weeks&#44; can you remember how many times you required seeing the doctor or be hospitalised&#63;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">14&#46; </span>How many nights did you spent in hospital&#63;</p><p class="elsevierStylePara">0 days 1-2 days 3-5 days 6-10 days 11-15 days 16-20 days &#62;20 days</p><p class="elsevierStylePara"><span class="elsevierStyleBold">15&#46; </span>How many times did you go to hospital for an examination or to the emergency department&#63;</p><p class="elsevierStylePara">0 days 1-2 days 3-5 days 6-10 days 11-15 days 16-20 days &#62;20 days</p><p class="elsevierStylePara"><span class="elsevierStyleBold">16&#46; </span>How many times did you require a visit by a nurse or another health professional at home&#63;</p><p class="elsevierStylePara">0 days 1-2 days 3-5 days 6-10 days 11-15 days 16-20 days &#62;20 days</p><p class="elsevierStylePara"><span class="elsevierStyleBold">17&#46; </span>How many times did you require general care from your family members &#40;e&#46;g&#46; to take a bath&#44; get dressed&#44; etc&#46;&#41;&#63;</p><p class="elsevierStylePara">0 days 1-2 days 3-5 days 6-10 days 11-15 days 16-20 days &#62;20 days</p><p class="elsevierStylePara"><span class="elsevierStyleBold">18&#46; </span>How many times did you call the hospital&#44; your doctor or nurse for a medical examination over the telephone&#63;</p><p class="elsevierStylePara">0 days 1-2 days 3-5 days 6-10 days 11-15 days 16-20 days &#62;20 days</p><p class="elsevierStylePara"><span class="elsevierStyleBold">&#160;</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">SUPPORTING SUMMARY</span></p><p class="elsevierStylePara"><span class="elsevierStyleBold">1&#46; What is known of the issue&#63;</span></p><p class="elsevierStylePara">There are generic questionnaires that measure the quality of life in children&#44; allowing for a comparison to be made with healthy&#160;groups&#59; however&#44; there are no specific questionnaires on the quality of life of children with kidney disease that allow for the assessment&#160;of variations within the disease itself&#46; Over the last years&#44; four questionnaires have been developed in Spanish and another five&#160;have been adapted&#44; which are specific on the quality of life of children with certain chronic diseases &#40;reference 19&#41;&#44; but none of which&#160;are on kidney disease&#46; In the United States a group of researchers &#40;reference 20&#41; is working on the development of a specific questionnaire&#160;for children with kidney disease in English&#44; which should be translated into Spanish and validated prior to its application&#46;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">2&#46; What contribution does the study make&#63;</span></p><p class="elsevierStylePara">Our study contributes to the creation of a specific questionnaire that measures the quality of life of children with kidney disease in&#160;Spanish&#44; with a reliability rate of 0&#46;92 that is determined by using the Cronbach Alpha Coefficient with an internal consistency greater&#160;than 0&#46;7 &#40;very good&#41; in all aspects&#46; It is the only Spanish-language questionnaire for children with kidney disease&#44; and we only&#160;know of one other questionnaire&#44; which is being developed in English&#46;</p><p class="elsevierStylePara"><a href="grande&#47;1012018078&#95;anexo&#95;cod&#95;10120&#46;jpg" class="elsevierStyleCrossRefs"><img src="1012018078_anexo_cod_10120.jpg" alt="Specific quality of life test for children with chronic kidney disease &#40;TECAVNER&#41;"></img></a></p><p class="elsevierStylePara">Specific quality of life test for children with chronic kidney disease &#40;TECAVNER&#41;</p>"
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        "resumen" => "<p class="elsevierStylePara">Treatment of chronic renal disease in childhood must include assessment of social and psychological aspects involved in the perceived quality of life of the child and its family&#46; Our objective has been to design a specific tool in Spanish for measuring quality of life in pediatric patients with chronic renal disease&#44; since there is not a validated test for children at the moment&#46; Results&#58; We designed a specific questionnaire for renal disease in children based on the test of quality of life for adults with renal disease &#40;KDQOL-SFTM&#41; and on the test of quality of life for children with epilepsy &#40;CAVE&#41; adapting them to children with renal disease&#44; denominating TECAVNER &#40;Test of Quality of Life in Children with Renal Disease&#41;&#46; Reliability of this questionnaire determined by alfa Cronbach coefficient was 0&#44;92&#46; Limitations&#58; questionnaire determined by Test-retest reliability and construct validity were not conducted&#46; In conclusion&#44; this is a first approach for design a specific health related quality of life test in Spanish for children with chronic renal disease&#46;</p>"
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        "resumen" => "<p class="elsevierStylePara">El tratamiento actual de la enfermedad renal cr&#243;nica en la infancia debe incluir los aspectos sociales y psicol&#243;gicos implicados en la calidad de vida del ni&#241;o y de su familia&#46; Nuestro objetivo ha sido desarrollar un instrumento de medida espec&#237;fico de la calidad de vida de los pacientes pedi&#225;tricos con enfermedad renal cr&#243;nica en espa&#241;ol&#44; ya que no existe actualmente ninguno validado para ni&#241;os&#46; Hemos desarrollado un cuestionario en espa&#241;ol espec&#237;fico para enfermedad renal en ni&#241;os basado en el test de calidad de vida para adultos con enfermedad renal &#40;KDQOL-SFTM&#41; y en el test de calidad de vida para ni&#241;os con epilepsia &#40;CAVE&#41; adapt&#225;ndolos a ni&#241;os con enfermedad renal&#44; al que denominamos TECAVNER &#40;Test de Calidad de Vida en Ni&#241;os con Enfermedad Renal&#41;&#46; La fiabilidad de dicho cuestionario determinada por el coeficiente &#945; Cronbach fue de 0&#44;92&#46; Las limitaciones del estudio consisten en que no se ha realizado validez de constructo ni test-retest&#46; En conclusi&#243;n&#44; este trabajo constituye un primer intento para dise&#241;ar un cuestionario espec&#237;fico de calidad de vida relacionada con la salud en espa&#241;ol para ni&#241;os con enfermedad renal cr&#243;nica&#46;</p>"
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