Patient Expectations Predict Greater Pain Relief with Joint Arthroplasty
Section snippets
Study Sample
Study patients were recruited from a single Canadian Academic Institution, the Toronto Western Hospital, before undergoing primary hip or knee arthroplasty. Our inclusion criteria for the study were age of 18 years old and above and a diagnosis of primary or secondary osteoarthritis. All patients gave informed consent to participate in the study. All data were collected by an independent assessor not involved in the medical care of the patients. The study protocol was approved by the local
Results
In our registry, we had complete data on 1799 (76.6%) of 2350 patients that comprised our study cohort. Participants and nonparticipants were not significantly different in terms of age, BMI, sex, or Charlson index.
Demographic data compared across groups defined by the expectations question on time to fully recover from surgery are shown in Table 1. The patients with the lowest expectations were significantly older at a mean age of 73.9 years (P = .04) and more commonly female (P = .02) than
Discussion
Our study demonstrates that patient expectations of joint arthroplasty correlate well with baseline functional status. Our patients had realistic expectations of surgery because those with the best preoperative functional status demonstrated the highest expectations and those with the poorest preoperative function demonstrated the lowest expectations of surgery. We believe that because our patients had set realistic goals for themselves following surgery, we found no difference in level of
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No benefits or funds were received in support of the study.