Table 3. Univariate and multivariate analysis of overall survival.
| Variable | Univariate | Multivariate | ||
|---|---|---|---|---|
| HR (95% CI) | P-value | HR (95% CI) | P-value | |
| Age (≥50 years) | 0.712 (0.445–1.139) | 0.156 | - | - |
| Size of tumor (<5 cm) | 0.736 (0.491–1.104) | 0.139 | - | - |
| Bilateral ovarian metastases | 0.775 (0.515–1.165) | 0.220 | - | - |
| Metastasectomy | 0.467 (0.318–0.685) | <0.001 | 0.486 (0.323–0.729) | <0.001 |
| Peritoneal carcinomatosis | 2.359 (1.585–3.512) | <0.001 | 1.934 (1.230–3.049) | 0.004 |
| Signet-ring cells | 1.871 (1.272–2.751) | 0.001 | 1.183 (0.778–1.802) | 0.430 |
| Ascites | 1.968 (1.269–3.051) | 0.002 | 1.450 (0.914–2.294) | 0.114 |
| Gastrectomy | 0.761 (0.520–1.114) | 0.160 | - | - |
| ER positive | 0.254 (0.166–0.389) | <0.001 | 0.404 (0.251–0.648) | <0.001 |
| PR positive | 0.376 (0.238–0.596) | <0.001 | 0.496 (0.301–0.817) | <0.001 |
| CA125 | 1.427 (0.939–2.170) | 0.096 | - | - |
| CEA | 1.369 (0.873–2.146) | 0.171 | - | - |
| CA199 | 1.628 (1.108–2.393) | 0.013 | 1.447 (0.963–2.179) | 0.075 |