Table 3.
Results of univariate and multivariate Cox regression analysis. Variables with a p value of <0.10 in the univariate analysis were entered as covariates into the stepwise Cox proportional-hazards regression model to identify multivariate predictors of survival
| Variable | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| p value | Hazard ratio | 95% confidence interval (CI) | p value | |
| Pathological fracture | 0.000001 | 1.82 | 1.13–2.95 | 0.015 |
| Tumour stage IIa/b | 0.060 | 2.1 | 1.27–3.49 | 0.004 |
| Tumour stage III | 0.0001 | 6.46 | 3.33–12.54 | 0.0001 |
| Marginal resection margins | 0.017 | 1.9 | 1.11–3.26 | 0.02 |
| Intralesional resection margins | 0.0001 | 2.83 | 1.73–4.64 | 0.0001 |
| Good response | 0.068 | 0.68 | 0.30–0.88 | 0.015 |