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The results of a multivariate analysis using Cox’s proportional hazard model in the patients with recurrent hepatocellular carcinoma who underwent a repeat hepatectomy
| Variables | Coefficient | SE | Relative risk | P value |
| Obesity (BMI ≥ 25 kg/m2) | 0.770 | 0.372 | 2.160 | < 0.05 |
| Tumor size (≥ 2 cm) | 0.389 | 0.438 | 1.477 | 0.351 |
| Positive vp | 0.466 | 0.433 | 1.595 | 0.254 |
SE: Standard error; vp: Invasion to portal vein.
