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Table 3 Regression models of post-operative KOOS-PS vs. pre-operative patient characteristics

From: Early outcomes and predictors of patient satisfaction after TKA: a prospective study of 200 cases with a contemporary cemented rotating platform implant design

KOOS-PS Timepoint Significant predictor variables* (p-values) R-squared
6 Week Pre-op KOOS-PS (0.007), History of hypertension (0.005), Gender** (0.033), BMI (0.006)  14.1%
3 Month Pre-op KOOS-PS (0.041), History of hypertension (0.039), Gender** (0.007) 8.6%
6 Month Pre-op KOOS-PS (0.002) 4.8%
1 Year Pre-op KOOS-PS (0.001) 6.1%
2 Year Pre-op KOOS-PS (0.003) 4.7%
  1. *Italics indicates negative correlation
  2. **Men showed slightly higher KOOS-PS at 6 Weeks and 3 Months