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Average KOOS* score grouped by subscale: pre-operatively (pre-op) and two, four and six weeks after (post-op) primary total knee arthroplasty (n = 54). * KOOS = Knee Injury and Osteoarthritis Outcome score: subscales are Pain, other Symptoms, function in daily living (ADL), function in sport and recreation (Sport/Rec) and knee-related Quality of life (QOL). Subscale scores can vary from 0–100 with 100 indicating the best state.
