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Figure 1 Receiver-Operator Characteristic Curve

(A) Receiver-operator characteristic curve showing different cutoff points with CDI for the prediction of cardiac death. (B) Receiver-operator characteristic curve showing different cutoff points with CDI for the prediction of cardiac death or nonfatal AMI. AMI = acute myocardial infarction; CDI = contrast defect index; NPV = negative predictive value; PPV = positive predictive value.