Comparison of Total Hip and Knee Arthroplasty Cohorts and Short-Term Outcomes From a Single-Center Joint Registry

Mar 6, 2012The Journal of arthroplasty

Comparison of hip and knee replacement patients and their short-term recovery from one hospital

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Abstract

A total of 349 patients were analyzed, revealing significant differences in functional outcomes between total hip arthroplasty and total knee arthroplasty cohorts.

Patients undergoing total hip arthroplasty (THA) experienced better functional outcomes compared to those undergoing total knee arthroplasty (TKA).
Baseline characteristics indicated that TKA patients had more negative factors affecting postoperative outcomes than THA patients.
The analysis adjusted for variables such as age, sex, body mass index, operative time, length of stay, and preoperative health surveys.
Outcome measures were assessed at baseline and again at 2 years of follow-up.

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The purpose of this study was to compare short-term clinical outcomes between total hip arthroplasty (THA) and total knee arthroplasty (TKA) patient cohorts, adjusting for confounding variables including age, sex, body mass index, operative time, length of stay, and preoperative Western Ontario and McMaster Universities and 12-Item Short-Form Health Survey. A total of 349 patients who met inclusion and exclusion criteria created 2 cohorts: THA, 194, and TKA, 155, for statistical analysis via multiple regression and analysis of covariance measures. Outcome measures included Western Ontario and McMaster Universities and 12-Item Short-Form Health Survey data, collected prospectively at baseline and 2 years of follow-up. The current study showed that baseline characteristics of TKA patients have more factors with negative effect on postoperative outcome than THA. However, despite controlling for the possible confounding effect of these variables, THA patients experienced a significantly better functional outcome than TKA patients.

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Comparison of Total Hip and Knee Arthroplasty Cohorts and Short-Term Outcomes From a Single-Center Joint Registry

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