Table 3.
Multivariate analysis of prognostic factors for DFS
| Factor | Classification | Hazard ratio | 95% confidence interval | p value | |
|---|---|---|---|---|---|
| T stage | 1 | ||||
| 2 | 0 | 0 | |||
| 3 | 0 | 0 | |||
| 4 | 2.747 | 1.402 | 5.383 | 0.0032 | |
| Hgb | Normal | ||||
| Anemia | 5.505 | 1.708 | 17.745 | 0.0043 | |
| PLT | 140 ~ 440 × 109/L | ||||
| Thrombocytopenia | 3.213 | 0.976 | 10.581 | 0.0549 | |
| >440 × 109/L | 1.14 | 0.273 | 4.758 | 0.8574 | |
| Postoperative CEA | ≤5 | ||||
| >5 | 1.672 | 0.91 | 3.073 | 0.0975 | |
| Prognostic model (T4-Hgb) | Low risk | ||||
| Intermediate risk | 7.401 | 1.786 | 30.67 | 0.0058 | |
| High risk | 19.296 | 4.197 | 88.723 | 0.0001 | |
CEA, carcinoembryonic antigen; Hgb, hemoglobin; PLT, platelet.