Table 4.
The association between the different items and the OS; the margin obtained during the index surgery is the only statistically significant
| Overall survival | Univariate analysis | |
|---|---|---|
| HR (CI95%) | p value | |
| Gender | ||
| Male vs female | 1.939 (0.692–5.428) | 0.208 |
| Age | 1.021 (0.995–1.047) | 0.110 |
| Previous therapy | ||
| Yes vs no | 1.053 (0.424–2.612) | 0.912 |
| Histology | – | 0.486 |
| Condrosarcoma vs malign tumor | 1.954 (0.422–9.052) | 0.392 |
| Cordoma vs malign tumor | 0.723 (0.265–1.972) | 0.527 |
| Cordoma vs condrosarcoma | 0.370 (0.072–1.901) | 0.234 |
| Patholgy results | – | < 0.0001 |
| Intralesional vs wide | 14.423 (2.885–72.115) | 0.001 |
| Marginal vs wide | 1.285 (0.336–4.908) | 0.714 |
| Marginal vs intralesional | 0.089 (0.024–0.324) | < 0.0001 |
| N. levels | 1.081 (0.664–1.759) | 0.755 |
| Tumor volume | 1.001 (0.999–1.002) | 0.607 |