Table 5.

Biomarkers risk discrimination for AKI progression and death

Urine Biomarker	AUC	Cutoff	Sensitivity	Specificity	Positive Likelihood Ratio	Negative Likelihood Ratio
Tubular injury marker
NGAL (ng/ml)	0.77 (0.68–0.85)	287	0.62	0.85	4.18	0.45
IL-18 (pg/ml)	0.71 (0.61–0.81)	55	0.64	0.75	2.54	0.48
KIM-1 (ng/ml)	0.66 (0.56–0.76)	3.3	0.90	0.38	1.45	0.27
L-FABP (ng/ml)	0.76 (0.66–0.85)	21	0.67	0.81	3.52	0.41
Tubular function marker
FENa (%)	0.50 (0.39–0.61)	0.10	0.92	0.20	1.16	0.40
Glomerular injury marker
Albumin (mg/dl)	0.73 (0.64–0.82)	41	0.79	0.66	2.32	0.32

AUC, area under the receiver operating curve.