Table 4.

Urinary NGAL values according to presence of acute kidney injury.

	Non-AKI N=28	AKI N=47	p
uNGAL (ng/ml)
at moment 1 (<48h)*	6.8±3.7	19.1±4.6	<0.0001
at moment 2 (48-96h)	6.1±4.0	19.6±5.6	<0.0001
uNGAL /uCr (ng/mg):
at moment 1 (<48h)	56.6±39.9	127.9±30.6	<0.0001
at moment 2 (48-96h)	58.8±43.4	138.3±31.5	<0.0001

Values expressed as median and interquartile range. u-urinary; AKI- acute kidney injury;

^*after admission to intensive care unit.