Table 3.
The association in univariate and multivariate analysis between patients’ characteristics and DFS; only the margin obtained during index surgery and gender resulted statistically associated in multivariate analysis
| Disease-free survival | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| HR (CI95%) | p value | HR (CI95%) | p value | |
| Gender | ||||
| Male vs female | 3.263 (1.189–8.949) | 0.022 | 4.645 (1.505–14.335) | 0.008 |
| Age | 1.010 (0.989–1.032) | 0.338 | ns | |
| Previous therapy | ||||
| Yes vs no | 1.086 (0.476–2.479) | 0.844 | ns | |
| Histology | – | 0.729 | ns | |
| Condrodarcoma vs malign tumor | 1.468 (0.325–6.627) | 0.617 | ||
| Cordoma vs malign tumor | 0.793 (0.315–1.997) | 0.622 | ||
| Cordoma vs condrosarcoma | 0.540 (0.111–2.634) | 0.446 | ||
| Patholgy results | – | 0.001 | – | < 0.0001 |
| Intralesional vs wide | 13.916 (2.993–64.703) | 0.001 | 13.614 (2.871–64.559) | 0.001 |
| Marginal vs wide | 1.956 (0.531–7.199) | 0.313 | 1.015 (0.263–3.919) | 0.98 |
| Marginal vs intralesional | 0.141 (0.046–0.432) | 0.001 | 0.075 (0.20–0.282) | 0.001 |
| N. levels | 1.132 (0.736–1.742) | 0.573 | ns | |
| Tumor volume | 1.001 (0.999–1.002) | 0.580 | ns | |