Test-retest reliability of Comprehensive knee osteoarthritis index (CKOAI)

CKOAI was subjected to test- retest reliability by administrating the scale among the individuals with knee osteoarthritis on similar testing condition identical to the previous session over two separate occasions with a minimum duration of 24-hours and not more than 2 weeks by the examiner.

为检验CKOAI的重测信度，主试在两次独立的测试中，于与首次测试一致的相似测试条件下，对膝骨关节炎患者施测该量表；两次测试的间隔时长最短为24小时，最长不超过2周。