Table 2.

ROC curves for developing AKI predictions vs. non-AKI patients

Biomarker	Time	AUC (95% CI)	P
NGAL	T = -24	0.66 (0.57-0.75)	0.0005
	T = -20	0.66 (0.57-0.75)	0.001
	T = -16	0.68 (0.57-0.78)	0.0004
	T = 0	0.79 (0.73-0.85)	<0.0001
KIM-1	T = 0	0.73 (0.64-0.83)	<0.0001
π-GST	T = -24	0.65 (0.56-0.75)	0.0006
	T = -20	0.64 (0.54-0.73)	0.006
α-GST	T = -20	0.65 (0.56-0.75)	0.002

Abbreviations: ROC: receiver operating characteristics curve; AKI: acute kidney injury; GST: glutathione-s- transferase, KIM-1: kidney injury molecule 1 and NGAL: neutrophil gelatinase associated lipocalin.