Table 5.
Univariate and multivariate Cox regression analyses of different parameters on PFS.
| Characteristics | Total (N) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|
| Hazard ratio (95% CI) | P-value | Hazard ratio (95% CI) | P-value | ||
| Pathologic stage | 518 | ||||
| Stage I&Stage II | 411 | ||||
| Stage III&Stage IV | 107 | 1.513 (1.105-2.071) | 0.010 | 1.483 (1.056-2.081) | 0.023 |
| T stage | 504 | ||||
| T1 | 175 | ||||
| T2&T3 | 329 | 1.923 (1.407-2.629) | <0.001 | 1.767 (1.287-2.427) | <0.001 |
| N stage | 510 | ||||
| N0&N1 | 437 | ||||
| N2&N3 | 73 | 1.325 (0.914-1.919) | 0.137 | ||
| M stage | 377 | ||||
| M0 | 352 | ||||
| M1 | 25 | 1.513 (0.855-2.676) | 0.155 | ||
| Smoker | 512 | ||||
| No | 72 | ||||
| Yes | 440 | 0.968 (0.658-1.426) | 0.870 | ||
| AC099850 3 | 526 | 1.208 (1.091-1.339) | <0.001 | 1.154 (1.035-1.287) | 0.010 |