Clinical Study

Radiographic Parameters in Predicting Outcome of Patients with Hepatocellular Carcinoma Treated with Yttrium-90 Microsphere Radioembolization

Table 5

Multivariate analysis of pretreatment computed tomography characteristics and progression-free survival in patients with hepatocellular carcinoma treated with selective internal radiotherapy with Yttrium-90 microspheres*.

Computed tomography characteristic Hazard ratio
(95% confidence interval)

Hepatopulmonary shunt fraction0.28 (0.09 to 0.85)0.02
Central hypervascularity pattern0.13 (0.02 to 0.69)0.006
Well-defined margins0.37 (0.13 to 1.0)0.04
Abutment of portal vein10.1 (1.78 to 57.50)0.002

patients.