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Predictive factors of survival analyzed using Cox's proportional hazards model.
| 95.0% confidence interval | ||||
|---|---|---|---|---|
| Factor | P-value | Hazard ratio | Inferior | Superior |
| KRAS mutation | 0.001 | 2.484 | 1.472 | 4.192 |
| Resection/local treatment of hepatic metastases | 0.024 | 0.447 | 0.222 | 0.901 |
| T4 stage | 0.034 | 1.795 | 1.045 | 3.084 |
| ECOG Performance 1-2 | 0.003 | 1.632 | 1.182 | 2.254 |
ECOG, Eastern Cooperative Oncology Group performance status.
