Table 4.
Cox regression analyses of the predictive factors for the development of non-forward portal flow
| Univariate hazard ratio (95%CI) | P value | Multivariate hazard ratio (95%CI) | P value | |
| Diameter of portal trunk (< 11.2 mm)1 | 2.677 (1.269-5.648) | 0.0097 | - | - |
| Collateral vessels (flow velocity > 9.5 cm/s)1 | 2.818 (1.238-6.416) | 0.0136 | 3.070 (1.276-7.389) | 0.0123 |
| Short gastric vein (hepatofugal) | 3.039 (1.374-6.720) | 0.0061 | 3.987 (1.736-9.158) | 0.0011 |
| Splenorenal shunt (hepatofugal) | 3.485 (1.323-9.180) | 0.0115 | 3.428 (1.143-10.278) | 0.0279 |
1
Cut-off value was determined using the receiver operating characteristics analysis.