Abstract
Osteoarthritis (OA) has a profound impact on health-related quality of life 1 . Increasing importance has been attached to utilization of disease-specific, self-reported outcome measures 2 , such as the Hip Disability and Osteoarthritis Outcome Score (HOOS) instrument 3 . China is the most populous country in the world with 1.3 billion people. Hence, we translated and adapted the HOOS into a Simplified Chinese version (SC-HOOS) and validated it in a cohort of native Chinese-speaking patients with hip OA, relative to the Short Form Health Survey (SF-36), a visual analog scale (VAS), and the Harris hip score (HHS) test. Psychometric testing for internal consistency, testeretest reliability, construct validity, and responsiveness was conducted. The SC-HOOS showed satisfactory internal consistency, testeretest reliability, construct validity, and responsiveness when evaluated in Chinese-speaking patients with hip OA.
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