Table 1.

Baseline characteristics by AKI

Characteristic	All patients (n=60)	Non-AKI (34/60, 57%)	AKI (26/60, 43%)	p
Age (in Years)	2.51 (0.48–10.52)	5.12 (0.52–12.63)	1.66 (0.38–4.74)	0.10
Weight (kg)	12.3 (6.3–30.9)	14.2 (6.3–40.4)	9.9 (6.0–15.9)	0.11
Gender - Male	30 (50%)	13 (38%)	17 (65%)	0.04
Change in PHb (mg/dL)	43.8 (31.3–83.4)	38.25 (18.5–60.6)	53.9 (39.7–86.7)	0.03
CPB duration (min)	78 (59–109)	72.5 (48–91)	97.5 (71–111)	0.03
Cross-clamp duration (min)	38 (22.5–61.5)	32 (23–52)	52.5 (21–72)	0.33
Blood prime	45/60 (75%)	24/34 (71%)	21/26 (81%)	0.37
RACHS-1				0.06
Risk Category 1	6 (10%)	6 (18%)	0 (0%)
Risk Category 2	23 (38%)	14 (41%)	9 (35%)
Risk Category 3	22 (37%)	9 (26%)	13 (50%)
Risk Category 4	9 (15%)	5 (15%)	4 (15%)
VIS score (highest score)
In first 24h after CPB	10 (6–13)	10 (5–12.5)	12 (10–14)	0.07
24–48h after CPB	2 (0–5.5)	0 (0–5)	5 (1–7.5)	0.01
Lactate (highest)
In first 24h after CPB	3.1 (2.4–4.1)	3.1 (2.3–4.3)	3.1 (2.5–3.8)	0.99
SvO2 (lowest)
In first 24h after CPB	60.5 (50.5–72)	67 (54–73)	57.5 (44–64)	0.02
Mechanical ventilation (days)	0 (0–0)	0 (0–0)	0 (0–1)	0.09
ICU LOS (days)	2 (1–6)	1 (1–3)	4 (2–10)	<0.01
Hospital LOS (days)	5 (3–9)	4 (3–6)	9 (5–16)	<0.01

Continuous data described as median (IQR). All other data described as proportion (percentage).