Characteristics

Total (n = 173)

RAI < 8 (n = 79)

RAI ≥ 8 (n = 94)

P value

    Age (yr)

5.8 (2.6-11)

5.8 (2.7-10.7)

5.8 (2.5-11.1)

0.83

    Female

88 (50.9)

39 (49.4)

49 (52.1)

0.72

    Weight (kg)

18 (11.3-30)

18.6 (12-38)

16.8 (10.5-29.8)

0.31

    Height (cm)

108 (87-139)

111 (90.1-139)

107.5 (84-139)

0.71

    BSA (m²)

0.7 (0.5-1.1)

0.73 (0.55-1.21)

0.71 (0.51-1.06)

0.40

Coexisting conditions

    Cardiovascular

20 (11.6)

9 (11.4)

11 (11.7)

0.95

    Pulmonary

28 (16.2)

9 (11.4)

19 (20.2)

0.12

    Neurologic

24 (13.9)

12 (15.2)

12 (12.8)

0.65

    Gastrointestinal

31 (17.9)

11 (13.9)

20 (21.3)

0.21

    Renal or urologic

10 (5.8)

4 (5.1)

6 (6.4)

0.76

    Hematologic

13 (7.5)

4 (5.1)

9 (9.6)

0.39

    Oncologic

51 (29.5)

26 (32.9)

25 (26.6)

0.36

    Infectious disease

47 (27.2)

11 (13.9)

36 (38.3)

< 0.001

    Rheumatologic

2 (1.2)

2 (2.5)

0

0.21

    Neuromuscular

2 (1.2)

1 (1.3)

1 (1.1)

0.91

    Metabolic

7 (4.1)

4 (5.1)

3 (3.2)

0.70

Primary diagnosis at PICU

< 0.001

    Shock

38 (22)

8 (10.1)

30 (31.9)

    Cardiovascular

9 (5.2)

1 (1.3)

8 (8.5)

    Respiratory

42 (24.3)

12 (15.2)

30 (31.9)

    Surgical/Trauma

70 (40.5)

54 (68.4)

16 (17)

    Central nervous system

13 (7.5)

3 (3.8)

10 (10.6)

    Pain management/Sedation

1 (0.5)

1 (1.3)

0 (0)

AKI stage at enrollment

< 0.001

    No AKI

141 (81.5)

76 (96.2)

65 (69.9)

    AKI stage 1

25 (14.5)

3 (3.8)

21 (22.6)

    AKI stage 2

7 (4)

0 (0)

7 (7.5)