Achieving Validated Thresholds for Clinically Meaningful Change on the Knee Injury and Osteoarthritis Outcome Score After Total Knee Arthroplasty: Findings From a University-based Orthopaedic Tertiary Care Safety Net Practice.

5 , 9 , 10 , 11 , 12 , 13 , 14 Our data showed a nonsignificant trend for less preoperative pain predicting failing to achieve an adequate outcome on the KOOS Pain subscale, but other preoperative KOOS subscales were much more significantly and consistently predictive of outcomes.

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