Table 4 Multivariate analysis of risk factors for poor overall survival
Variables | HR | 95% CI | P-value |
|---|---|---|---|
Maximum tumor size > 5 cm | 2.115 | 0.901–4.960 | 0.085 |
Intraoperative transfusion | 1.704 | 1.062–2.732 | 0.027 |
Cirrhosis | 2.072 | 1.041–4.123 | 0.038 |
Bile duct invasion | 1.662 | 0.614–4.511 | 0.317 |
Lymph node involvement | 1.943 | 0.829–4.490 | 0.126 |
Vascular invasion | 2.583 | 1.380–4.834 | 0.002 |