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Table 1 Original and Japanese versions of the Functional Index for Hand Osteoarthritis (FIHOA)

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

  1. The FIHOA consists of 10 questions. Question 7 has two gender-role specific items requesting a separate response from female and male patients (Questions 7A and 7B, respectively). Patients score each item from 0 (possible without difficulty) to 3 (impossible) and the total score ranges from 0 to 30. The Japanese version has kana script above difficult Chinese characters to facilitate comprehension. *In this study, we removed “for women” and “for men” from Question 7 and asked all patients to answer both items to obtain all 11 responses regardless of gender