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![Portal vein thrombosis in liver transplantation: radiologic evaluation, risk factors, and occult diagnosis](https://image.oaes.cc/3625e1f4-7603-42b9-acf6-0a93e643b030/1304.fig.1.png)
Figure 1. Patient survival and portal vein thrombosis (PVT). (a) PVT was associated with significantly reduced survival at approximately 6 months. Early perioperative survival (i.e., 90-day) was not significantly different, but divergence in survival occurred at 6 months; (b) there was no difference in survival between those with pre-liver transplantation diagnosis (pre-PVT) and those with "occult" PVT (OR PVT). Results for graft survival demonstrated the similar findings. On multivariate analysis [Table 3], PVT was not an independent predictor of survival