Figure 2From: Diagonal earlobe crease and coronary artery disease in a Chinese population The discriminating effect of traditional coronary risk factors adding DELC or not for CAD. The ROC curves were drawn based on the multivariate regression equation which included male gender, diabetes mellitus, hypercholesterolemia and DELC added or not. It was used to detect indirectly the discriminating effect of DELC for CAD.Back to article page