Verification of the Reliability of the Japanese Version of the Clinical Trunk Control Test

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  • 日本語版Clinical Trunk Control Testの信頼性に関する検証
  • ニホンゴバン Clinical Trunk Control Test ノ シンライセイ ニ カンスル ケンショウ

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Abstract

<p>Objective：The Clinical Trunk Control Test (CTCT) is used to assess trunk function worldwide, particularly for patients with spinal cord injury (SCI), with good reliability and validity. In Japan, trunk function evaluation methods specialized for patients with SCI are scarce. The aim of the present study was to create a Japanese version of CTCT (CTCT-J) and verify its reliability.</p><p>Methods：CTCT-J was created using the double-back translation format. The inter-rater reliability was calculated based on the total CTCT-J score and intraclass correlation coefficient (ICC) for each item. The weighted kappa coefficient was calculated for each subtest. To verify internal consistency, Cronbach's alpha coefficient was calculated for the CTCT-J total score and each item.</p><p>Results：We enrolled 12 patients with SCI, including ten men and two women, with an average age of 51.9 ± 17.8 years. Nine and three patients had cervical and thoracic SCI, respectively. The ICC for inter-rater reliability ranged from 0.995 to 1.000 (p ＜0.05). The weighted kappa coefficient for each subtest ranged from 0.756 to 1.000 (p ＜0.05). In the internal consistency test, the Cronbach's alpha coefficient for all items was 0.995 (p ＜0.05).</p><p>Conclusion：We created the CTCT-J with double back translation and verified its reliability. Good inter-rater reliability and internal consistency were observed, indicating its applicability in Japan.</p>

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