Table 3.

Kidney biomarkers and major adverse kidney events at discharge

Kidney Biomarker	Major Adverse Kidney Events at Discharge (n=49)	No Major Adverse Kidney Events at Discharge (n=57)	P Value
Serum NGAL (ng/ml)
Time 1	485 (340–1190)	175 (117–235)	<0.001
Time 2	452 (277–952) (n=23)	163 (120–439) (n=13)	0.01
Urinary NGAL/Ucr (ng/mg Cr)
Time 1	1037 (283–6085) (n=42)	38 (10–103)	<0.001
Time 2	553 (82–2488) (n=20)	109 (49–1534) (n=13)	0.32
Serum cystatin C (ng/ml)
Time 1	2283 (1153–3038)	716 (579–923)	<0.001
Time 2	1565 (1117–2464) (n=23)	974 (679–1424) (n=13)	0.006
Urinary cystatin C/Ucr (ng/mg Cr)
Time 1	611 (122–1601) (n=42)	56 (14–620)	<0.001
Time 2	593 (41–1616) (n=20)	200 (92–726) (n=13)	0.43
Urinary KIM-1/Ucr (ng/mg Cr)
Time 1	5.6 (3.0–13.4) (n=42)	2.4 (1.2–6.1)	<0.001
Time 2	5.2 (3.0–7.9) (n=20)	4.1 (2.2–7.5) (n=13)	0.65

NGAL, neutrophil gelatinase-associated lipocalin; Ucr, urinary creatinine; Cr, creatinine; KIM-1, kidney injury molecule-1.