Fig. 3

AUC (A) and calibration curve (B) of the different models for the prediction of obstructive coronary artery disease on CCTA. CACS model including CAC score only; the clinical model includes atherosclerotic cardiovascular disease risk factors and CAC score. AUC, the area under the receiver operating characteristics curve; CCTA, coronary computed tomography angiography; LR, logistic regression; RF, random forest; CAC, coronary artery calcium