Cross-cultural adaptation and validation of the Thai version of the core outcome measures index for the back (COMI-back) in patients with low back pain.

IF 2.6 3区医学 Q2 CLINICAL NEUROLOGY European Spine Journal Pub Date : 2025-02-01 Epub Date: 2024-12-26 DOI:10.1007/s00586-024-08590-2

Borriwat Santipas, Panya Luksanapruksa, Monchai Ruangchainikom, Ekkapoj Korwutthikulrangsri, Sarunya Poolpol, Sirichai Wilartratsami

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Abstract

Purpose: To translate and culturally adapt the Core Outcome Measures Index for the back (COMI-back) into Thai and to evaluate its psychometric properties in Thai-speaking patients with low back pain (LBP).

Methods: The translation process followed a standardized forward-backward method with two independent translators, followed by synthesis and back-translation. An expert committee reviewed the translations for cultural and conceptual equivalence. Pre-testing was done with Thai patients to refine the questionnaire. The validation study included 131 patients with LBP, who completed the Thai COMI-Back along with other validated questionnaires like the Oswestry Disability Index (ODI), and EQ-5D-5L. Reliability was assessed using Cronbach's alpha and intraclass correlation coefficients (ICC). Construct validity was determined by correlating COMI scores with those of reference scales.

Results: The Thai COMI-Back exhibited strong reliability, with Cronbach's alpha values from 0.89 to 0.93 and ICC values over 0.80 for all domains. Construct validity was supported by significant correlations with reference scales, with Spearman's rho values ranging from 0.47 to 0.84. Floor and ceiling effects were acceptable for most items, with notable exceptions for symptom-specific well-being and work disability.

Conclusion: The Thai COMI-Back shows strong psychometric properties, making it suitable for clinical and research use in Thailand.

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泰国版腰痛患者背部核心结果测量指数（COMI-back）的跨文化适应和验证

目的：将背部核心结果测量指数（COMI-back）翻译成泰语并进行文化调整，并评估其在泰语下腰痛（LBP）患者中的心理测量特性。方法：采用标准化的前后翻译方法，由两名独立翻译人员进行翻译，然后进行综合和反翻译。一个专家委员会审查了翻译的文化和概念上的对等性。对泰国患者进行了预测试，以完善问卷。验证研究包括131名LBP患者，他们完成了Thai COMI-Back以及其他验证问卷，如Oswestry残疾指数（ODI）和EQ-5D-5L。采用Cronbach’s alpha和类内相关系数（ICC）评估信度。通过将COMI得分与参考量表的得分相关联来确定结构效度。结果：泰国的COMI-Back具有较强的信度，Cronbach’s alpha值在0.89 ~ 0.93之间，ICC值在0.80以上。结构效度与参考量表显著相关，Spearman的rho值在0.47 ~ 0.84之间。对于大多数项目，地板和天花板效应是可以接受的，但对于特定症状的健康和工作残疾有明显的例外。结论：泰国COMI-Back具有较强的心理测量特性，适合在泰国临床和研究中使用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

European Spine Journal 医学-临床神经学

CiteScore

4.80

自引率

10.70%

发文量

373

审稿时长

2-4 weeks

期刊介绍： "European Spine Journal" is a publication founded in response to the increasing trend toward specialization in spinal surgery and spinal pathology in general. The Journal is devoted to all spine related disciplines, including functional and surgical anatomy of the spine, biomechanics and pathophysiology, diagnostic procedures, and neurology, surgery and outcomes. The aim of "European Spine Journal" is to support the further development of highly innovative spine treatments including but not restricted to surgery and to provide an integrated and balanced view of diagnostic, research and treatment procedures as well as outcomes that will enhance effective collaboration among specialists worldwide. The “European Spine Journal” also participates in education by means of videos, interactive meetings and the endorsement of educative efforts. Official publication of EUROSPINE, The Spine Society of Europe