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Table 2 Independent predictive factors of disease-free survival by multivariate analysis

From: CUL4A overexpression as an independent adverse prognosticator in intrahepatic cholangiocarcinoma

Variable Hazard Ratio 95% CI P
Tumor size ≤5 cm vs > 5 cm 1.986 1.19 to 3.32 0.009
Resection margin ≤1 cm vs > 1 cm 1.809 1.01 to 3.24 0.046
Stage I vs II & III & IV 2.190 1.22 to 3.92 0.008
CUL4A expression index <50 vs ≥ 50 1.688 1.01 to 2.82 0.045