title: Reliability of the Brazilian version of the PedsQL - ESDR questionnaire to evaluate quality of life of children and adolescents.
abstract: OBJECTIVE
  To evaluate the reliability of the translation and cultural adaptation of the Pediatric Quality of Life Inventory (PedsQLTM) - End Stage Renal Disease (ESRD) - version 3.0 - children/adolescents and parents reports in Brazilian children with ESRD.
  
  
  METHODS
  A group of 24 children and adolescents with ESRD, followed at Unidade de Nefrologia Pediátrica do Instituto da Criança - HCFMUSP and 32 primary caregivers were interviewed according to the me methodology proposed by the creator of the original questionnaire.
  
  
  RESULTS
  Statistical analysis using Cronbach's alpha resulted in values between 0.39 and 0.89 for all domains in initial statistical analysis. The domains that presented values lower than 0.5 were recalculated by age group, resulting in higher Cronbach's alpha values demonstrating the influence of the age in the perception of quality of life in ESRD patients. The overall rating of Cronbach's alpha values resulted in values of 0.81 and 0.71 in patients and PC reports, respectively, demonstrating good internal consistency.
  
  
  CONCLUSIONS
  Ours results show that the Brazilian version of the questionnaires is valid, reliable and useful for measure HRQoL of children and adolescents ESRD, according to patients and PC reports.
authors.affiliation: Universidade de São Paulo, Brazil.
authors.forename: Marcos Thomazin
authors.initials: MT
authors.lastname: Lopes
authors.affiliation: Universidade de São Paulo, Brazil.
authors.forename: Alexandre Archanjo
authors.initials: AA
authors.lastname: Ferraro
authors.affiliation: Universidade de São Paulo, Brazil.
authors.forename: Vera Hermina Kalika
authors.initials: VH
authors.lastname: Koch
mesh_terms: D000293:Adolescent; D000328:Adult; D001938:Brazil; D017028:Caregivers; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007676:Kidney Failure, Chronic / Q000175:diagnosis / Q000628:therapy; D008297:Male; D008875:Middle Aged; D011788:Quality of Life; D015203:Reproducibility of Results; D057566:Self Report; D014177:Translations