title: Transcultural adaptation and validation of the Korean version of the Pediatric Outcomes Data Collection Instrument (PODCI) in children and adolescents.
abstract: BACKGROUND
  Translation and transcultural adaptation of the Pediatric Outcomes Data Collection Instrument (PODCI) into Korean language was performed, and the validity was tested.
  
  
  METHODS
  Korean version of PODCI was produced according to internationally accepted guideline, which included preparation, forward translation, reconciliation, back translation, review of back translation and harmonization, cognitive debriefing and review, and proof reading process. Eighty-two child controls (aged 5 to 10 y), 92 adolescent controls (aged 10 to 18 y), and 30 children with cerebral palsy (aged 5 to 10 y) undergoing single event multilevel surgery were included, and their parents also participated. Each subscale of Korean PODCI was tested in terms of internal consistency (Cronbach α), discriminant validity (difference of parental responses between child control and children with cerebral palsy), convergent validity (correlation between self-response and parental response in adolescent control), and responsiveness (postoperative changes of parental responses in children with cerebral palsy).
  
  
  RESULTS
  All subscales except pain/comfort showed sufficient internal consistencies (Cronbach α > 0.7). Upper extremity/physical function, transfer/basic mobility, sports/physical functioning, and global functioning subscales showed significant discriminant validity (P < 0.001, P < 0.001, P < 0.001, and P < 0.001, respectively). Correlation between self-response and parental response in adolescent controls were significant in all subscales, being highest in transfer/basic mobility subscale (r = 0.952, P < 0.001) and lowest in happiness subscale (r = 0.548, P < 0.001). Responsiveness was significant in transfer/basic mobility (P < 0.001), sports/physical functioning (P=0.001), and global functioning (P = 0.006) subscales after single event multilevel surgery.
  
  
  CONCLUSIONS
  Korean version of PODCI showed relevant internal consistency, discriminant validity, convergent validity, and responsiveness except for pain/comfort and happiness subscales. Care need to be taken when evaluating subjective measures, such as pain/comfort and happiness subscales.
  
  
  METHODS
  Diagnostic level I.
authors.affiliation: Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seoul, Korea.
authors.forename: Dae Gyu
authors.initials: DG
authors.lastname: Kwon
authors.forename: Chin Youb
authors.initials: CY
authors.lastname: Chung
authors.forename: Kyoung Min
authors.initials: KM
authors.lastname: Lee
authors.forename: Damian J
authors.initials: DJ
authors.lastname: Lee
authors.forename: Seoryong C
authors.initials: SC
authors.lastname: Lee
authors.forename: In Ho
authors.initials: IH
authors.lastname: Choi
authors.forename: Tae-Joon
authors.initials: TJ
authors.lastname: Cho
authors.forename: Won Joon
authors.initials: WJ
authors.lastname: Yoo
authors.forename: Moon Seok
authors.initials: MS
authors.lastname: Park
mesh_terms: D000293:Adolescent; D000367:Age Factors; D016022:Case-Control Studies; D002547:Cerebral Palsy / Q000601:surgery*; D002648:Child; D002675:Child, Preschool; D003431:Cross-Cultural Comparison; D003625:Data Collection / Q000379:methods*; D016002:Discriminant Analysis; D005260:Female; D006801:Humans; D008297:Male; D017063:Outcome Assessment, Health Care / Q000379:methods*; D056910:Republic of Korea; D016896:Treatment Outcome