Table 2.
Univariate and multivariate analysis of prognostic factors for OS
| Variable | Univariate | Multivariate | ||
|---|---|---|---|---|
| HR (95% CI) | P-value | HR (95% CI) | P-value | |
| Age (≥50 years) | 0.855 (0.527-1.385) | 0.524 | - | - |
| Size of tumor (<5 cm) | 0.958 (0.637-1.439) | 0.835 | - | - |
| Bilateral ovarian metastases | 0.864 (0.527-1.233) | 0.320 | - | - |
| Metastasectomy | 0.416 (0.273-0.634) | <0.001 | 0.335 (0.215-0.522) | <0.001 |
| Peritoneal carcinomatosis | 2.584 (1.695-3.937) | <0.001 | 2.212 (1.387-3.534) | 0.001 |
| Signet-ring cells | 2.597 (1.658-4.065) | <0.001 | 1.938 (1.182-3.175) | 0.009 |
| Ascites | 1.565 (1.035-2.364) | 0.034 | 1.062 (0.686-1.672) | 0.798 |
| Gastrectomy | 0.725 (0.468-1.125) | 0.151 | - | - |
| ER positive | 0.254 (0.166-0.389) | <0.001 | 0.510 (0.318-0.816) | 0.005 |
| PR positive | 0.376 (0.238-0.596) | <0.001 | 0.554 (0.340-0.901) | 0.017 |
| CA125 | 1.121 (0.734-1.709) | 0.597 | - | - |
| CEA | 1.292 (0.810-2.062) | 0.282 | - | - |
| CA199 | 1.541 (1.026-2.316) | 0.037 | 1.208 (0.774-1.886) | 0.406 |