Table 7 The multivariate logistic regression analysis of the risk factors for screw cut-out.
Risk factors | Coefficient | Standard error | Wald test statistic | P value | Odds ratio (OR) | 95% confidence interval for OR |
|---|---|---|---|---|---|---|
Pauwels classification type III | 2.821 | 1.172 | 5.794 | 0.016 | 16.8 | 1.689–167.109 |