TABLE 3.

Diagnostic performance of UrNGAL: patient-level analysis^a

Criterion for AKI by UrNGAL level	No. of patients with AKI by SCr (KDIGObin) criterion
	Yes	No	Total
UrNGAL level of ≥2.54 ng/ml
Yes	11	3	14
No	6	4	10
Total	17	7	24
UrNGAL level ≥3 times baseline level
Yes	13	5	18
No	4	2	6
Total	17	7	24

^aAKI, acute kidney injury; UrNGAL, urine neutrophil gelatinase-associated lipocalin; SCr, serum creatinine; KDIGObin criterion, Kidney Disease: Improving Global Outcomes criterion that requires an increase in the SCr level to ≥0.3 mg/dl within 48 h or an increase in the SCr level to ≥1.5 times the baseline level which is known or presumed to have occurred within the prior 7 days.