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Predictive significance of PIVKA-II levels and other clinical parameters. (A) ROC analysis of different variables, including PIVKA-II, for predicting MVI (left) and AUC (right). (B) ROC analysis of different variables, including PIVKA-II, for predicting high Ki67 expression (left), and AUC (right). PIVKA-II, prothrombin induced by vitamin K absence-II; ROC, receiver operating characteristics; MVI, microvascular invasion; AUC, area under curve.
