fig3
From: Endothelial dysfunction and coronary artery disease: new insights from reactive hyperemia test
![Endothelial dysfunction and coronary artery disease: new insights from reactive hyperemia test](https://image.oaes.cc/bc7f0724-f56c-447a-9ffe-8aee367814c1/4181.fig.3.jpg)
Figure 3. ROC curve for △RI% as predictor of CAD status. AUC is 0.853. △RI% > -43% was the cutoff value according to the Youden index to identify the presence of CAD. ROC: Receiver-operating characteristic; CAD: coronary artery disease.