Fig. 4From: Risk stratification and mortality prediction in octo- and nonagenarians with peripheral artery disease: a retrospective analysisROC curve analysis for predictability of all-cause mortality in octo- and nonagenarians. ROC curve analysis showing the prognostic value of sex, CLTI, log NT-proBNP, and log troponin-ultra as single factors and a combination model of all factors (AUROC: 0.888)Back to article page