Table 3.
Multivariate analyses of the overall survival in gastric cancer patients (Cox regression model)
| Variable | HR | 95% CI | p value |
|---|---|---|---|
| OS in gastric cancer patients | |||
| Palliative gastrectomy (Gastrectomy vs. without gastrectomy)a |
0.689 | 0.540–0.879 | 0.003 |
| Tumor size (<5, ≥5, and <10 vs. ≥10 cm) |
1.176 | 0.999–1.383 | 0.051 |
| Tumor location (Upper, middle, and lower vs. total) |
1.080 | 0.962–1.213 | 0.192 |
| Ascite (With vs. without) |
1.026 | 0.817–1.288 | 0.827 |
| Peritoneal seeding grade (P1 and P2 vs. P3) |
1.298 | 1.124–1.500 | < 0.001 |
| Serum CEA Level (Normal vs. elevated) |
1.424 | 1.120–1.810 | 0.004 |
| Serum CA19-9 Level (Normal vs. elevated) |
1.133 | 0.900–1.424 | 0.287 |
| Palliative chemotherapy (With vs. without) |
0.399 | 0.314–0.506 | < 0.001 |
| BMI group (<18.5 and 18.5–23 vs. >23) |
0.812 | 0.686–0.962 | 0.016 |
Abbreviations: OS overall survival, HR hazard ratio, CI confidence interval
aThe factor listed at the last was used as the control level in this Cox regression model