ROC curves for the association between ABI values (according to different methods for ABI calculation) and the history of cardiovascular events (myocardial infarction or coronary revascularisation). Black line, method #1; red line, method #2; yellow line, method #3; green line, method #4. The red dashed line represents the line of identity of tpr and fpr.
Lange et al. BMC Public Health 2007 7:147 doi:10.1186/1471-2458-7-147