Cross-cultural translation, adaptation and validation of a Japanese version of the functional index for hand osteoarthritis (J-FIHOA)

作者：Yasunobu Nakagawa, Shigeru Kurimoto, E. Maheu, Yuichiro Matsui, Yuri Kanno, Kunitaka Menuki, Masanori Hayashi, Tetsuya Nemoto, Takanobu Nishizuka, Masahiro Tatebe, Michiro Yamamoto, Katsuyuki Iwatsuki, Renée Liliane Dreiser, Hitoshi Hirata · 发表于：BMC Musculoskeletal Disorders · 年份：2020 · DOI：10.1186/s12891-020-03193-6 · 被引用次数：8 · 研究领域：Osteoarthritis Treatment and Mechanisms、Rheumatoid Arthritis Research and Therapies、Musculoskeletal pain and rehabilitation

BACKGROUND: Hand osteoarthritis (OA) has a wide spectrum of clinical presentations and physical function is one of the core domains where patients suffer. The Functional Index for Hand Osteoarthritis (FIHOA) is a leading assessment tool for hand OA-related functional impairment. Our objective was to make a Japanese version of FIHOA (J-FIHOA) and validate it among Japanese hand OA patients. METHODS: Forward and backward translation processes were completed to create a culturally adapted J-FIHOA. A prospective, observational multicenter study was undertaken for the validation process. Seventeen collaborating hospitals recruited Japanese hand OA patients who met the American College of Rheumatology criteria. A medical record review and responses to the following patient-rated questionnaires were collected: J-FIHOA, Hand20, Health Assessment Questionnaire (HAQ), numerical rating scale for pain (NRS pain) and Short Form 36 Health Survey (SF-36). We explored the structure of J-FIHOA using factor analysis. Cronbach's alpha coefficients and item-total correlations were calculated. Correlations between J-FIHOA and other questionnaires were evaluated for construct validity. Participants in clinically stable conditions repeated J-FIHOA at a one- to two-week interval to assess test-retest reliability. To evaluate responsiveness, symptomatic patients who started new pharmacological treatments had a 1-month follow-up visit and completed the questionnaires twice. Effect size (ES) and standa...