Characteristics

No AKI (n=228)

AKI (n=75)

*P

Mean age (SD),y

48 (8,5)

53 (4.5)

<0.1

Male, %

54

58

<0.1

Prior surgery, %

20

45

<0.01

Bypass time (SD), min

42 (2.3)

142 (4.8)

<0.0001

Urine output, mL/kg per h

1.7 (0.10)

1.2 (0.9)

<0.001

Change in SCr (%)

8.6 (2.1)

87.3 (7.2)

<0.01

SCr baseline, mg/dL

0.72 (0.11)

0.71 (0.04)

NS

SCr 2 h, mg/dL

0.71 (0.11)

0.71 (0.04)

NS

SCr 12 h, mg/dL

0.70 (0.11)

0.72 (0.04)

NS

SCr 24 h, mg/dL

0.71 (0.10)

0.73 (0.09)

NS

SCr 48 h, mg/dL

0.72 (0.12)

1.0 (0.10)

<0.001

SCr 72 h, mg/dL

0.80 (0.08)

1.2 (0.02)

<0.001

uNGAL baseline, ng/mL

76.2 (12.1)

82 (9.1)

<0.7

uNGAL 2 h, ng/mL

89 (11.4)

371 (24.7)

<0.0001

uNGAL 12 h, ng/mL

122 (10.3)

522 (21.7)

<0.0001

uNGAL 24 h, ng/mL

78 (8.5)

592 (32.4)

<0.0001

uNGAL 48 h, ng/mL

76 (4.2)

638 (22.1)

<0.0001

uNGAL 72 h, ng/mL

75 (8.1)

623 (24.1)

<0.0001

Duration of AKI (SD), day

0

3.2 (0.6)

<0.0001

Hospital stay (SD), day

0

13 (2.7)

<0.0001

Dialysis, no.

1

23

<0.0001

Death, no.

0

2

<0.05