The Journal of Arthroplasty
Volume 24, Issue 3 , Pages 444-447, April 2009

Outcome of Unicompartmental Knee Arthroplasty in Patients Receiving Worker's Compensation

  • Bassam A. Masri, MD, FRCSC

      Affiliations

    • Corresponding Author InformationReprint requests: Bassam A. Masri, MD, FRCSC, Professor and Chairman, Department of Orthopaedics, University of British Columbia, Room 3114, 910 West 10th Avenue, Vancouver, Canada BC V5Z 4E3.
    • ,
  • Jason Bourque, MD
    • ,
  • Sanjeev Patil, MB, FRCS (Orth)

Department of Orthopaedics, University of British Columbia, Vancouver, Canada

Received 19 September 2007; accepted 30 November 2007. published online 14 April 2008.

Abstract 

Nineteen patients with a worker's compensation board (WCB) claim treated by unicompartmental knee arthroplasty for medial compartment osteoarthritis were compared to 20 patients who had no WCB claim. In WCB patients, the mean Knee Society Score (KSS) improved from 47.4 to 76.9; the mean Knee Society function score, from 43.8 to 75; and the mean Knee society pain score, from 6.9 to 29.4. In non-WCB patients, the mean KSS improved from 43.3 to 90.7; the mean Knee Society function score, from 44.7 to 90; and the mean Knee Society pain score, from 3.6 to 41.7. The difference in improvement of KSS between the two groups was significant (P = .008). The postoperative KSS in the non-WCB patients was significantly higher than that of the WCB group (P = .007). There was no difference between the incidences of conversion to total knee arthroplasty.

Key words: unicompartmental knee replacement, workers' compensation, outcome, oxford knee

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 No benefits or funds were received in support of the study.

PII: S0883-5403(07)00684-5

doi:10.1016/j.arth.2007.11.011

The Journal of Arthroplasty
Volume 24, Issue 3 , Pages 444-447, April 2009

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