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Fig. 1B. —Graphs show receiver operating characteristic (ROC) curves representing findings of CT arterioportography (dotted line) and digital subtraction angiography (solid line), separately and combined (dashed line) in all patients. Parametric ROC models were performed for detection of any hepatocellular carcinoma by reviewer 2 for CT arterioportography and digital subtraction angiography and team 2 for CT arterioportography and digital subtraction angiography combination. Area under ROC curve was 0.70 (95% CI, 0.59–0.81) for CT arterioportography; 0.84 (95% CI, 0.75–0.93) for digital subtraction angiography; and 0.84 (95% CI, 0.76–0.93) for CT arterioportography and digital subtraction angiography combination.





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