Table 4.

Comparison of the ROC curves for different markers of renal injurya

Noninvasive marker	AUC	95% confidence interval
uNGAL (μg/g of creatinine)	0.88	0.71–1.00
uL-FABP (μg/g of creatinine)	0.80	0.57–1.00
uNAG (mmol/g of creatinine)	0.61	0.33–0.90
Urinary protein (g/24 h)	0.71	0.46–0.97
Serum creatinine (mg/dL)	0.64	0.37–0.91

^aχ² = 14.57, P = 0.0057.