Table 3.
Univariate and multivariate Cox regression analyses of different parameters on OS.
| 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 | 2.664 (1.960-3.621) | <0.001 | 6.213 (2.219-17.397) | <0.001 |
| T stage | 504 | ||||
| T1 | 175 | ||||
| T2&T3 | 329 | 1.658 (1.175-2.341) | 0.004 | 1.675 (1.070-2.624) | 0.024 |
| N stage | 510 | ||||
| N0&N1 | 437 | ||||
| N2&N3 | 73 | 2.321 (1.631-3.303) | <0.001 | 0.423 (0.148-1.212) | 0.109 |
| M stage | 377 | ||||
| M0 | 352 | ||||
| M1 | 25 | 2.136 (1.248-3.653) | 0.006 | 0.351 (0.110-1.117) | 0.076 |
| Smoker | 512 | ||||
| No | 72 | ||||
| Yes | 440 | 0.894 (0.592-1.348) | 0.591 | ||
| AC099850 3 | 526 | 1.223 (1.093-1.368) | <0.001 | 1.150 (1.001-1.320) | 0.049 |