Research Article

Upregulation of Soluble HLA-G in Chronic Left Ventricular Systolic Dysfunction

Figure 3

(a) Receiver Operating Characteristic (ROC) curve of NT-proBNP with heart failure defined as ejection fraction <50%. Area under the curve is 0.811, . (b) Receiver Operating Characteristic (ROC) curve of NT-proBNP with heart failure defined as ejection fraction <40%. Area under the curve is 0.902, .
(a)
(b)