Table 7.
Cox proportional hazard model analysis for OS
| Covariates | Univariable analysis | Multivariable analysis | ||
|---|---|---|---|---|
| HR (95% CI) | P-values | HR (95% CI) | P-values | |
| Age (≥ 65 years vs. < 65 years) | 0.838 (0.479–1.468) | 0.538 | ||
| Gender (female vs. male) | 1.096 (0.823–1.459) | 0.532 | ||
| BMI (< 20.0 kg/m2 vs. ≥ 20.0 kg/m2) | 0.901 (0.523–1.550) | 0.706 | ||
| Alb (< 3.5 g/dL vs. ≥ 3.5 g/dL) | 1.529 (0.870–2.689) | 0.140 | ||
| Performance status (1 vs. 0) | 1.519 (0.848–2.722) | 0.160 | ||
| History of surgery for primary lesion (No vs. Yes) | 0.909 (0.526–1.569) | 0.731 | ||
| Liver metastasis (Yes vs. No) | 1.910 (1.024–3.563) | 0.042 | 1.755 (0.931–3.310) | 0.082 |
| The number of risk factors (RF) | ||||
| RF = 2 | reference | - | reference | - |
| RF = 0 | 0.148 (0.039–0.557) | 0.005 | 0.175 (0.046–0.666) | 0.011 |
| RF = 1 | 0.113 (0.030–0.426) | 0.001 | 0.135 (0.035–0.515) | 0.003 |
HR Hazard ratio, CI Confidence interval, BMI Body mass index, Alb Serum albumin, RF Risk factor