Table 2.
Multivariate analysis for clinicopathological variables by Cox regression analysis
| Variable | Parameter | p-value | Hazard ratio (90% CI ) |
|---|---|---|---|
| Distribution of liver metastasis in both lobes | 0.377 | 0.014* | 1.459 (1.080-1.969) |
| No. of metastasis > 1 | 0.249 | 0.153 | 1.282 (0.912-1.804) |
| Size of largest metastasis > 5 cm | 0.147 | 0.296 | 1.159 (0.879-1.527) |
| CEA > 200 ng/mL | 0.643 | < 0.001** | 1.902 (1.416-2.554) |
| Disease-free interval < 12 mo | 0.684 | < 0.001** | 1.982 (1.561-2.518) |
| Node-positive primary tumor | 0.237 | 0.064 | 1.267 (0.987-1.627) |
CEA, carcinoembryonic antigen.
*
p < 0.05,
**
p < 0.001.