Table 3. Comparison of acute kidney injury (AKI) predictive ability.

	NGAL alone	L-FABP alone	Decision Tree Analysis
AUC-ROC (95% CI)	0.858 (0.741–0.927)	0.837 (0.697–0.920)	0.940 (0.793–0.985)
NGAL alone	—	P = 0.67	P = 0.03
L-FABP alone	—	—	P = 0.007

AUC-ROC, area under the receiver operating characteristic curve; CI, confidence interval; NGAL, neutrophil gelatinase-associated lipocalin; L-FABP, L-type fatty acid-binding protein.