Please click here to obtain permission to reproduce this image.
Click on image to view larger version.
Figure 4 ROC Analysis
Receiver-operator characteristic (ROC) curves for the predictive value of tibial artery calcification (TAC) and ankle-brachial index (ABI) on major amputation (A) and on major and minor amputation (B). The black line represents the ROC curve for TAC score. The blue line represents ROC curve for ABI. The red line represents no effect. AUC = area under the curve.
|
