Research Article

The Reliability of the Use of Serum Neutrophil Gelatinase–Associated Lipocalin Levels in the Assessment of Renal Functions after Coronary Artery Bypass Grafting

Figure 1

ROC curve of NGAL levels (cutoff value = 150 ng/mL) on postoperative day 1 for diagnosis of kidney injury according to the RIFLE criteria. AUC: area under the curve; NGAL: neutrophil gelatinase–associated lipocalin; RIFLE: Risk-Injury-Failure-Loss-End stage; ROC: receiver-operating curve.