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Validation of the Korean version of the Scoliosis Research Society-22 questionnaire

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Abstract

Introduction

We evaluated the reliability and validity of an adapted Korean version of the Scoliosis Research Society-22 (SRS-22) questionnaire.

Materials and methods

Translation/retranslation of the English version of SRS-22 was conducted, and all steps of the cross-cultural adaptation process were performed. The Korean version of the SRS-22 questionnaire and the previously validated Short Form-36 (SF-36) outcome instruments were mailed to 102 patients who had been treated surgically for idiopathic scoliosis. Eighty-two patients responded to the first mailing of questionnaires and 64 of the first-time responders returned their second survey. The average age of the 64 patients (56 females and 8 males) was 18.3 years. Reliability assessment was determined by estimating Cronbach’s α and intraclass correlation coefficient (ICC), respectively. Concurrent validity was evaluated by comparing SRS-22 domains with relevant domains in the SF-36 questionnaire using Pearson’s correlation coefficient.

Results

The study demonstrated satisfactory internal consistency (Cronbach’s α = 0.80–0.89) for function/activity, pain and mental health, and good consistency (Cronbach’s α = 0.50–0.79) for the remaining domains. The ICC of all domains demonstrated excellent test/retest reproducibility. Considering concurrent validity, 3 domains showed excellent correlation, 9 domains good, 25 domains moderate, and 3 domains poor.

Conclusion

The adapted Korean version of the SRS-22 questionnaire was successfully translated and showed acceptable measurement properties, and as such, is considered suitable for treatment outcome assessments in the Korean-speaking patients with idiopathic scoliosis.

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None of the authors has any potential conflict of interest.

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Authors and Affiliations

  1. Department of Orthopaedic Surgery, Medical Research Institute, School of Medicine, Pusan National University, 1-10 Ami-Dong, Seo-Gu, Busan, 602-739, Republic of Korea

    Jung Sub Lee, Jeung Il Kim, Jong Min Lim & Tae Sik Goh

  2. Department of Orthopaedic Surgery, Asan Medical Center, College of Medicine, University of Ulsan, Seoul, Republic of Korea

    Dong Ho Lee

  3. Department of Orthopaedic Surgery, Medical Research Institute, Yangsan Hospital, Pusan National University, Yangsan, Republic of Korea

    Kuen Tak Suh

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  1. Jung Sub Lee
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  2. Dong Ho Lee
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Correspondence to Jung Sub Lee.

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Lee, J.S., Lee, D.H., Suh, K.T. et al. Validation of the Korean version of the Scoliosis Research Society-22 questionnaire. Eur Spine J 20, 1751–1756 (2011). https://doi.org/10.1007/s00586-011-1872-9

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  • DOI: https://doi.org/10.1007/s00586-011-1872-9

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