Validation of the Korean Version of the 24-Item Early-Onset Scoliosis Questionnaire: A Multicenter Study from the Korean Research Society of Spinal Deformity

Chang Ju Hwang; Sam Yeol Chang; Kun-Bo Park; Dong-Ho Lee; Jae Hwan Cho; Hiroko Matsumoto; Sehan Park

doi:10.4055/cios24210.

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Validation of the Korean Version of the 24-Item Early-Onset Scoliosis Questionnaire: A Multicenter Study from the Korean Research Society of Spinal Deformity

Authors: Chang Ju Hwang ; Sam Yeol Chang ; Kun-Bo Park ; Dong-Ho Lee ; Jae Hwan Cho ; Hiroko Matsumoto ; Sehan Park

Citation: CLINICS IN ORTHOPEDIC SURGERY, Vol.17(1) : 123-129, 2025-02

Journal Title: CLINICS IN ORTHOPEDIC SURGERY

ISSN: 2005-291X

Issue Date: 2025-02

MeSH: Age of Onset ; Child ; Child, Preschool ; Female ; Humans ; Male ; Reproducibility of Results ; Republic of Korea ; Scoliosis* / diagnosis ; Scoliosis* / psychology ; Surveys and Questionnaires

Keywords: Early onset scoliosis ; Korean ; Questionnaire ; Translation ; Validation

Abstract: Background: A 24-item early-onset scoliosis questionnaire (EOSQ-24) has been developed as a valid tool for assessing the physical and emotional function of patients with early-onset scoliosis (EOS). Previous studies that conducted transcultural adaptation of the original EOSQ-24 into other languages have demonstrated the high reliability of the questionnaire. However, a Korean version of the EOSQ-24 is not available, limiting optimal patient assessment in this nation. Therefore, this study was conducted to develop and validate a Korean version of EOSQ-24.

Methods: The original English version of the EOSQ-24 was cross-culturally adapted following standard guidelines. The final version of the Korean EOSQ-24 was prospectively applied to a group of patients who were native Korean speakers. Internal consistency was evaluated using the Cronbach α coefficient and item-total correlations. The mean, standard deviation, floor effect, and ceiling effect of each item were also assessed.

Results: A total of 102 caregivers of patients with EOS (45 males and 57 females) completed the Korean EOSQ-24. The patients' average age was 6.39 ± 2.16 years. The Cronbach α coefficient for the 24-item scale was 0.942, indicating excellent reliability. The corrected item-total correlation coefficients ranged between 0.449 and 0.788. The mean value of the EOSQ-24 questionnaire was 3.19. Floor and ceiling effects for all questionnaires were below 30%, which could be considered acceptable.

Conclusions: Our study successfully developed and validated the Korean version of the EOSQ-24, providing a reliable instrument for assessing the physical and emotional well-being of patients with EOS and their caregivers in the Korean context. The widespread adoption of the Korean EOSQ-24 in clinical practice and research settings can enhance the quality of care and improve outcomes for individuals affected by EOS in Korea.