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Patient Satisfaction after Total Knee Arthroplasty: Who is Satisfied and Who is Not?

  • Symposium: Papers Presented at the Annual Meetings of the Knee Society
  • Published:
Clinical Orthopaedics and Related Research®


Despite substantial advances in primary TKA, numerous studies using historic TKA implants suggest only 82% to 89% of primary TKA patients are satisfied. We reexamined this issue to determine if contemporary TKA implants might be associated with improved patient satisfaction. We performed a cross-sectional study of patient satisfaction after 1703 primary TKAs performed in the province of Ontario. Our data confirmed that approximately one in five (19%) primary TKA patients were not satisfied with the outcome. Satisfaction with pain relief varied from 72–86% and with function from 70–84% for specific activities of daily living. The strongest predictors of patient dissatisfaction after primary TKA were expectations not met (10.7× greater risk), a low 1-year WOMAC (2.5× greater risk), preoperative pain at rest (2.4× greater risk) and a postoperative complication requiring hospital readmission (1.9× greater risk).

Level of Evidence: Level II, prognostic study. See Guidelines for Authors for a complete description of levels of evidence.

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We thank the Ontario orthopaedic surgeons who entered data into the Ontario Joint Replacement Registry (OJRR) and the Ontario Ministry of Health and Long Term Care who funded the project.

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Correspondence to Robert B. Bourne MD, FRCSC.

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Each author certifies that he or she has no commercial associations (eg, consultancies, stock ownership, equity interest, patent/licensing arrangements, etc) that might pose a conflict of interest in connection with the submitted article.

Each author certifies that his or her institution has approved the human protocol for this investigation and that all investigations were conducted in conformity with ethical principles of research, and that informed consent for participation in the study was obtained.

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Bourne, R.B., Chesworth, B.M., Davis, A.M. et al. Patient Satisfaction after Total Knee Arthroplasty: Who is Satisfied and Who is Not?. Clin Orthop Relat Res 468, 57–63 (2010).

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