Table 4. Multivariate analysis of prognostic factors for matched patients.
| Endpoint | Factor | p-value | HR (95% CI) |
|---|---|---|---|
| OS | T Stage | 0.009 | 3.420 (1.365–8.569) |
| N Stage | 0.027 | 2.270 (1.098–4.692) | |
| M Stage | 0.072 | 3.571 (0.891–14.307) | |
| Clinical Stage | 0.229 | 0.498 (0.160–1.551) | |
| ECOG PS | 0.128 | 1.596 (0.875–2.912) | |
| Clinical Response | 0.002 | 2.860 (1.488–5.497) | |
| PFS | ECOG PS | 0.239 | 1.413 (0.795–2.511) |
| T Stage | 0.042 | 2.083 (1.026–4.229) | |
| N Stage | 0.014 | 2.295 (1.184–4.450) | |
| Clinical Stage | 0.718 | 0.904 (0.522–1.566) | |
| Clinical Response | 0.012 | 2.061 (1.175–3.613) |
Abbreviations: OS: overall survival; PFS: progression-free survival; HR: hazard ratio; CI: confidence interval.