Table 1. Baseline demographic and clinical characteristics of study population.

		Norwood (n=32)					Hybrid (n=65)		p
	n	%	Median	Min-Max	n	%	Median	Min-Max
Age (day)			5	1-25			6	1-55	0.32
Gender									0.06
Male	28				44
Female	4				21
HLHC	4	12.5			19	29.2			0.12
Body weight (g)			3,200	2,700-3,700			3,000	1,500-3,900	0.002*
Body weight <2,500 g	0	0			14	21.5			0.004*
Preoperative intubation	10	31.5			29	44.6			0.30
Syndromic condition	2	6.2			3	4.6			1
Preoperative MOF	3	9.3			8	12.3			1
Asc Ao>3 mm	4	12.5			5	7.6			0.47
Min: Minimum; Max: Maximum; HLHC: Hypoplastic left heart complex; MOF: Multiorgan failure; Asc Ao: Ascending aorta; * p<0.05.