Table 1.

Demographics and Clinical Characteristics by Outcome Status (N=49)

	Poor Outcome
	All	Yes (N=17)	No (N=32)	P-value
Gender, N (%)
Female	14 (29)	5 (36)	9 (64)	1.00
Male	35 (71)	12 (34)	23 (66)
Age at surgery, days, median (IQR)	53 (8–127)	7 (5–10)	98 (33–150)	0.001
Pre-Op Weight, kg	4.5 ± 1.3	3.7 ± 0.7	4.9 ± 1.4	0.0002
RACHS-1 classification, N (%)
2 to 4	37 (76)	8 (22)	29 (78)	0.001
5 or 6	12 (24)	9 (75)	3 (25)
Cardiopulmonary bypass time, min	107 ± 55	149 ± 61	84 ± 35	0.001
Aortic cross-clamp time, min	48 ± 32	52 ± 40	45 ± 25	0.55
Hypothermic circulatory arrest, N (%)	15 (31)	10 (67)	5 (33)	0.003
Post-operative ECMO, N (%)	6 (12)	6 (100)	0 (0)	0.001
Maximum Vasoactive Inotrope Score	16 ± 9	23 ± 9	12 ± 7	< 0.0001

Data are presented as mean ± SD unless otherwise indicated.

IQR, interquartile range (25th percentile – 75th percentile)

RACHS, Risk Adjustment for Congenital Heart Surgery

ECMO, extracorporeal membrane oxygenation