Table 4.
Univariate analyses of variables affecting survival
| Variable | HR (95%CI) | P-value |
| Age < 50 | 2.169 (0.876-5.369) | 0.094 |
| ASA score 3 | 2.830 (0.873-9.171) | 0.083 |
| Colorectal primary | 1.089 (0.424-2.795) | 0.860 |
| Previous surgery for primary | 0.894 (0.359-2.226) | 0.810 |
| Synchronous lesion | 1.240 (0.497-3.096) | 0.645 |
| Size ≥ 12 cm | 1.106 (0.424-2.884) | 0.837 |
| Bilateral disease | 1.473 (0.597-3.636) | 0.400 |
| Peritoneal metastases | 1.337 (0.509-3.511) | 0.555 |
| Hepatic metastases | 1.055 (0.419-2.656) | 0.909 |
| Emergency surgery | 3.382 (1.051-10.89) | 0.027 |
| Pre-op chemotherapy | 1.575 (0.521-4.758) | 0.421 |
| Serum CA 125 > 35 kU/L | 0.750 (0.187-3.004) | 0.684 |
| Serum CEA ≥ 30 μg/L | 0.785 (0.234-2.626)1 | 0.694a |
1
Among patients with a colorectal primary only. HR: Hazard ratio; CI: Confidence interval; ASA: American Society of Anesthesiologists; CEA: Carcinoembryonic antigen.