Table 4.
Independent prognostic factors by multivariate analyses.
| Endpoint | Factor | P value | HR(95%CI) |
|---|---|---|---|
| OS | Age (≤48/>48) | 0.105 | 1.700 (0.896–3.226) |
| Gender (Male/Female) | 0.264 | 0.625 (0.273–1.427) | |
| T stage (T1–3/T4) | 0.001 | 3.165 (1.614–6.206) | |
| Neck Lymph Node Necrosis (without/with) | 0.060 | 1.819 (0.975–3.393) | |
| PFS | Age (≤48/>48) | 0.246 | 1.358 (0.809–2.280) |
| T stage (T1–3/T4) | 0.000 | 2.920 (1.599–5.333) | |
| Neck Lymph Node Necrosis (without/with) | 0.015 | 1.925 (1.138–3.253) | |
| DMFS | T stage (T1–3/T4) | 0.000 | 3.525 (1.738–7.151) |
| Neck Lymph Node Necrosis (without/with) | 0.046 | 1.964 (1.012–3.809) |