Table 3.
Results of multivariate analyses and Log-rank test. The Cox multivariate analysis demonstrated CCR-0 (P = 0.002): histologic type of differentiated carcinoma (P = 0.008), PCI ≤ 10 (P < 0.001), and SB-PCIl ≤ 2 (P = 0.027) were the independent good prognostic factors.
| Variables | Cox hazard model | Log-rank test | ||||
|---|---|---|---|---|---|---|
| P value | Relative risk | 95% confidential interval | Hazard ratio | χ 2 | P value | |
| Sex | ||||||
| Male versus female | 0.303 | 1.423 | 0.727–2.724 | 1.349 | 2.612 | 0.106 |
| HIPEC | ||||||
| Done versus not done | 0.072 | 0.555 | 0.292–1.054 | 4.446 | 5.501 | 0.019 |
| CCR | ||||||
| CCR = 0 versus CCR = 1 | 0.002 | 3.47 | 1.563–7.703 | 11.707 | 26.729 | <0.001 |
| Age | ||||||
| 65 y.o. < versus 65 y.o. ≤ | 0.141 | 1.702 | 0.837–3.461 | 1.165 | 3.903 | 0.005 |
| Lymph node | ||||||
| N0 versus N+ | 0.562 | 1.208 | 0.639–2.280 | 0.693 | 0.406 | |
| PCI | 0.974 | |||||
| PCI = 1 < 0 versus PCI ≥ 11 | 0.001 | 3.43 | 1.925–3.232 | 8.608 | 22.564 | <0.001 |
| Histology | ||||||
| Differentiated versus Poorly | 0.008 | 2.77 | 1.306–5.872 | 5.288 | 16.95 | <0.001 |
| Histologic effect after chemotherapy | ||||||
| EF = 0,1 versus EF = 2,3 | 0.101 | 0.413 | 0.143–1.188 | 3.501 | 6.856 | 0.003 |
| SB-PCI | ||||||
| SB-PCI ≥ 3 versus SB-PCI ≤ 2 | 0.027 | 3.356 | 1.145–9.238 | 6.182 | 27.25 | <−0.001 |