Table 2.
Multivariate Analysis of Prognostic Factors by Cox Proportional Hazard Model
| Variables | P | Relative risk | CI (95%) |
|---|---|---|---|
| Depth of wall invasion | |||
| T3 + T4 vs. T1 + T2 | 0.005 | 2.91 | 1.38–6.14 |
| Differentiation | |||
| Poor versus well/moderate | 0.437 | 0.84 | 0.55–1.30 |
| Lymph node metastasis | |||
| Positive vs. negative | 0.031 | 2.10 | 1.07–4.12 |
| Vascular invasion | |||
| Positive vs. negative | 0.334 | 1.25 | 0.80–1.95 |
| Liver metastasis | |||
| Positive vs. negative | 0.000 | 2.83 | 1.70–4.71 |
| S100A6 expression | |||
| High versus low | 0.026 | 1.67 | 1.06–2.61 |
CI indicates confidence interval.