Risk Factors of Portal Vein Thrombosis after Devascularization Treatment in Patients with Liver Cirrhosis: A Nested Case-Control Study

Table 2

Multivariate analysis of risk factors for perioperative thrombosis (logistic regression: forward-LR).

Risk factors	Regression coefficients		OR	95% confidence interval for OR
Preoperative white blood cells	-0.777	0.002	0.460	0.284-0.744
Diameter of portal vein trunk preoperatively	0.330	0.005	1.391	1.102-1.757
With gastric varices	-1.335	0.003	0.263	0.108-0.638
Constant	-1.533	0.339	0.216