Questionnaires/clinical outcomes
pain
KNEE OSTEOARTHRITIS
Patients completed the 36-Item Short Form Survey (SF-36) and the Knee Osteoarthritis Outcome Score (KOOS) at baseline, 3 and 6 months, and 1-, 2- and 5-year follow-up. The SF-36 was used to evaluate the patients’ health-related quality of life. It consists of 36 items with eight separate subscales: physical functioning, role limitation (physical), role limitation (mental), bodily pain, general health, mental health, vitality and social functioning [