Neutrophil Gelatinase-Associated Lipocalin: A New Marker of Renal Function in C-Related End Stage Liver Disease

Table 3

ROC curve analysis of both pNGAL and uNGAL levels.

(a)

	Area under the curve		Asymptotic 95% confidence interval
	Area		Lower bound	Upper bound
pNGAL	0.269	0.001	0.164	0.373
uNGAL	0.459	0.497	0.341	0.577

(b)

pNGAL cutoff	Sensitivity	Specificity	PPV	NPV	LR+	LR−
4 ng/mL	94.3%	1.5%	34	33.3	−175.1	−60.6
5.3 g/mL	65.7%	13.8%	29.1	42.9	−5.11	−4.7

PPV: positive predictive value, NPP: negative predictive value, and LR: likelihood ratio; .