The Journal of bone and joint surgery. American volume
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J Bone Joint Surg Am · Jun 2007
Multicenter StudyImpact of psychological distress on pain and function following knee arthroplasty.
Preoperative psychological distress has been reported to be an important risk factor for poor outcome following lower-extremity arthroplasty. We determined the independent impact of preoperative psychological distress on three, twelve, and twenty-four-month WOMAC (Western Ontario and McMaster Universities Osteoarthritis Index) pain and function scores and on change scores over those time periods. ⋯ Prognostic Level I.