| Variable | p-value | ||
|---|---|---|---|
| OS | DMFS | PFS | |
| Age | 0.0005 | 0.0218 | NS |
| Smoking | 0.05 | 0.0038 | 0.0151 |
| Cardiovascular disease | NS | NS | NS |
| Diabetes | NS | NS | NS |
| High-grade | 0.04 | 0.04 | NS |
| Histology | NS | 0.02 | NS |
| Karnofsky performance status | NS | NS | NS |
| Tumor location | 0.03 | NS | 0.0116 |
| Tumor size | 0.008 | 0.0088 | 0.0012 |
| Chemotherapy | NS | NS | NS |