Table 7.
Cox proportional-hazard regression for RFS
| Characteristics | Univariate analysis | Multivariate analysis | ||||||
|---|---|---|---|---|---|---|---|---|
| p-Value | HR | 95% CI for Exp(B) | p-Value | HR | 95% CI for Exp(B) | |||
| Lower | Upper | Lower | Upper | |||||
| Gender | 0.891 | 1.021 | 0.759 | 1.373 | ||||
| Age | 0.174 | 1.237 | 0.910 | 1.680 | ||||
| Tumor size | 0.109 | 0.753 | 0.532 | 1.066 | ||||
| Gross morphology | 0.810 | 1.029 | 0.815 | 1.299 | ||||
| Differentiation | 0.000 | 0.317 | 0.232 | 0.433 | 0.002 | 0.548 | 0.374 | 0.802 |
| Histological component | 0.008 | 1.849 | 1.178 | 2.901 | ||||
| T | 0.000 | 1.680 | 1.371 | 2.060 | ||||
| N | 0.000 | 2.343 | 1.965 | 2.793 | 0.003 | 1.598 | 1.168 | 2.186 |
| pTNM | 0.000 | 2.690 | 2.102 | 3.443 | 0.028 | 1.897 | 1.248 | 2.257 |
| Vascular invasion | 0.000 | 4.328 | 2.764 | 6.779 | ||||
| Nerve invasion | 0.000 | 4.146 | 2.251 | 7.636 | 0.047 | 1.946 | 1.010 | 3.751 |
| CEA | 0.034 | 1.378 | 1.025 | 1.852 | ||||
| Ligation level | 0.722 | 1.054 | 0.788 | 1.410 | ||||