Table 3 Postoperative clinical data of infants with versus without acute kidney injury after undergoing cardiopulmonary bypass surgery^a

Lactate 6 hr p.o. (μmol/L)

2.2 (0.9 to 17)

1.9 (0.9 to 7.4)

0.32

Lactate 12 hr p.o. (μmol/L)

3 (1.1 to 19)

2.4 (1 to 6)

0.08

Lactate 24 hr p.o. (μmol/L)

2.6 (1.4 to 16)

1.7 (0.9 to 6.5)

0.01

ScvO₂ 2 hr p.o. (%)

57 (35 to 88)

60 (34 to 87)

0.54

ScvO₂ 24 hr p.o. (%)

55 (40 to 88)

62 (44 to 89)

0.004

SaO₂ 2 hr p.o. (%)

87 (70 to 100)

92 (55 to 99)

0.39

SaO₂ 24 hr p.o. (%)

83 (69 to 100)

93 (63 to 100)

0.76

MAP <50 mmHg >2 hr within 24 hr p.o., n (%)

16 (59)

8 (25)

0.008

Norepinephrine ≤0.1 μg/kg/min, n (%)

15 (56)

11 (34)

0.03

Norepinephrine >0.1 μg/kg/min, n (%)

5 (19)

2 (6)

0.01

Urine output 24 hr p.o. (ml/kg)

4.9 (1.5 to 7.9)

4.6 (2.9 to 8.8)

0.37

Time on respirator (hr)

47 (2 to 624)

22 (2 to 270)

0.03

ICU stay (days)

12 (3 to 35)

10 (4 to 74)

0.06

Hospital stay (days)

28 (7 to 76)

25 (12 to 96)

0.13

RRT, n (%)

3 (11)

0 (0)

0.09

Deaths, n (%)

2 (7)

0 (0)

0.2