Publication: Reliability and Validity of the Thai Version of the Modified Japanese Orthopaedic Association Score (mJOA score)
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Issued Date
2021-01-01
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ISSN
22288082
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2-s2.0-85099992882
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Mahidol University
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SCOPUS
Bibliographic Citation
Siriraj Medical Journal. Vol.73, No.1 (2021), 55-60
Suggested Citation
Sirichai Wilartratsami, Borriwat Santipas, Panya Luksanapruksa, Surin Tanapipatsiri, Visit Vamvanij Reliability and Validity of the Thai Version of the Modified Japanese Orthopaedic Association Score (mJOA score). Siriraj Medical Journal. Vol.73, No.1 (2021), 55-60. doi:10.33192/SMJ.2021.08 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/78832
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Title
Reliability and Validity of the Thai Version of the Modified Japanese Orthopaedic Association Score (mJOA score)
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Abstract
Objective: To evaluate the reliability and validity of the Thai version of the modified Japanese Orthopaedic Association scale. Methods: Te modified Japanese Orthopaedic Association scale was translated into Tai language to create the Tai version of the Modified Japanese Orthopaedic Association (Tai-mJOA) scale. Translation was performed according to international standards using a forward-backward translation protocol. Translation was performed by 2 expert translators and 1 physician, and the final version was approved by an expert committee. Tai patients with cervical spondylosis with myelopathy were enrolled and evaluated using the Tai-mJOA scale, Nurick Grading, the Tai version of the Neck Disability Index (Tai-NDI), and the Tai version of the Short Form-36 (Tai-SF-36). Reliability and validity of the Tai-mJOA were assessed via comparison with the Nurick Grading and the Tai-NDI. Results: Ninety-two patients were included. Te most common compression level was C5-C6 vertebral disc. Cronbach’s alpha of the total Tai-mJOA showed excellent internal consistency (0.991). Te intraclass correlation coefficient (ICC) for test-retest reliability was 0.981 (95% confidence interval [CI]: 0.972-0.988). Regarding concurrent validity, the motor dysfunction score of the lower extremities and the total score of the Tai-mJOA were strongly correlated with Nurick Grading (r=0.825, r=0.712, respectively). Te total score of the Tai-mJOA was moderately correlated with the Tai-NDI (r=0.670). Conclusion: Te Tai-mJOA was found to be a valid and reliable tool for evaluating symptom severity in Tai patients with cervical spondylosis with myelopathy.