Research Article

Defining an Optimal Cut-Point Value in ROC Analysis: An Alternative Approach

Figure 3

The receiver operator characteristic curves for LVEF, plasma sodium, and heart rate in the prediction of cardiovascular death [12].
(a) The receiver operator characteristic curve for LVEF in the prediction of cardiovascular death [12]
(b) The receiver operator characteristic curve for plasma sodium in the prediction of cardiovascular death [12]
(c) The receiver operator characteristic curve for heart rate in the prediction of cardiovascular death [12]