Table 9 Logistic regression model for predictors of reoperation using a set and combination of three previously-identified prognostic variables
Factor | Group sample size* | Nagelkerke R square | Odds ratio [95% CI] | Probability |
|---|---|---|---|---|
One Risk Factor ± | 193 | 0.005 | 0.721 [0.306, 1.699] | 0.454 |
Two Risk Factors | 193 | 0.057 | 2.896 [1.264, 6.633] | 0.012 |
Three Risk Factors | 193 | 0.048 | 5.600 [1.401, 22.382] | 0.015 |
Combination of Two Risk Factors | Â | Â | Â | Â |
  Fracture Gap and Open Fracture | 193 | 0.106 | 4.294 [1.847, 9.984] | 0.001 |
  Fracture Gap and Transverse Fracture | 193 | 0.045 | 3.667 [1.244, 10.806] | 0.018 |
  Open Fracture and Transverse Fracture | 199 | 0.042 | 4.812 [1.262, 18.343] | 0.021 |