Reliability, validity, and sensitivity of Japanese version of the UCLA Scleroderma Clinical Trial Consortium Gastrointestinal Tract Instrument: application to efficacy assessment of intravenous immunoglobulin administration.

2023-09-20 rheumatology Title + abstract only

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ObjectiveThis study aimed to develop and assess the reliability, validity, and sensitivity of Japanese version of the University of California Los Angeles Scleroderma Clinical Trial Consortium Gastrointestinal Tract (GIT) Instrument 2.0 (the GIT score), as an evaluation tool for GIT symptoms in systemic sclerosis (SSc). MethodsJapanese version of the GIT score was constructed using the forward-backward method. The reliability and validity of this instrument were evaluated in a cohort of 38 SSc ...