Fig. 2From: Association between abnormal myocardial scintigraphy findings and long-term outcomes for elderly patients 85 years or older: a retrospective cohort studyThe ROC curves. Sensitivity and specificity for all-cause mortality using myocardial scintigraphy indicated that when we classified patients into four groups (grade 0: normal findings, grade 1: ischemia, grade 2: infarction, and grade 3: ischemia plus infarction), the area under the ROC curve was 0.69Back to article page