• CheungJason Pui YinJPYDepartment of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong SAR, China., CheungPrudence Wing HangPWHDepartment of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong SAR, China., WongCarlos King HoCKHDepartment of Family Medicine and Primary Care, The University of Hong Kong, Hong Kong SAR, China., Dino Samartzis, Keith Dip-Kei Luk, LamCindy Lo KuenCLKDepartment of Family Medicine and Primary Care, The University of Hong Kong, Hong Kong SAR, China., and CheungKenneth Man CheeKMCDepartment of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong SAR, China..
• Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong SAR, China.
• Spine. 2016 Dec 15; 41 (24): E1460E1469E1460-E1469.

Study DesignQuestionnaire translation and validation.ObjectiveThe aim of this study was to translate and cross-culturally adapt the Early Onset Scoliosis-24 item Questionnaire (EOSQ-24) into traditional Chinese, and to assess its validity, reliability, and sensitivity in Southern-Chinese patients diagnosed with early onset scoliosis (EOS).Summary Of Background DataRelying on radiographs alone for assessing treatment outcomes in EOS patients is inadequate. To properly gauge health-related quality of life, a disease-specific instrument that assesses patient quality of life and the burden of primary caregivers is necessary. The EOSQ-24 was created for this purpose, but it has not been adapted to the Chinese language.MethodsThe translation and cross-cultural adaptation of the original English EOSQ-24 were performed using the method of double forward and single backward translations, followed by a panel review. EOS patients of Southern-Chinese descent were recruited, via convenience sampling from a scoliosis specialty clinic. These patients' parents/caretakers were then administered the traditional Chinese EOSQ-24, Likert Scale regarding the understanding of completed EOSQ-24, and the Child Health Questionnaire Parent Form 50 (CHQ-PF50) (Traditional Chinese). Reliability was analyzed using Cronbach alpha. Construct validity of domains and subdomains was assessed using Spearman correlation test against CHQ-PF50 domains with similar constructs. Sensitivity of the EOSQ-24 scores was determined by performing known group comparisons.ResultsA total of 100 EOS patients were recruited. A very good reliability was demonstrated (Cronbach α: 0.896) and internal consistency of all domains was excellent (Cronbach α: 0.829-0.919). Subdomain scores of EOSQ-24 and CHQ-PF50 had significant correlations (P < 0.001), indicating a good construct validity.ConclusionThis is the first psychometric study to translate and adapt the EOSQ-24 questionnaire for Chinese EOS patients and it has been found to have satisfactory validity, reliability, and sensitivity. It is a useful disease-specific instrument for assessing patients' quality of life and the burden of caregivers.Level Of Evidence2.

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