Table 3.

Stage I Norwood palliation hospital course and follow-up

	Pre-protocol	On-protocol	P value
S1NP hospitalization
Negative fluid balance (d)	2 (0 to 3)	2 (0 to 4)	0.20
Chest closure (d)	2 (0 to 14)	3 (0 to 11)	0.77
Extubation (d)	6 (3 to 56)	7 (2 to 36)	0.68
Transfer out of ICU (d)	10 (6 to 31)	12 (3 to 39)	0.77
Discharge (d)	30 (13 to 71)	24 (9 to 81)	0.23
Cardiac arrest (d)	5 (17%)	2 (7%)	0.42
ECMO (d)	5 (17%)	5 (17%)	1.0
Urgent chest washout/evaluation for   bleeding	6 (20%)	4 (13%)	0.73
Urgent evaluation for patency of source   of PBF	2 (7%)	0 (0%)	0.49
Death	3 (10%)	1 (3%)	0.61
Any reintervention	6 (20%)	3 (10%)	0.47
Discharge technical performance score			0.40
Optimal	23 (77%)	24 (80%)
Adequate	1 (3%)	3 (10%)
Inadequate	6 (20%)	3 (10%)
Follow-up
Age (d)	174 (92 to 249)	151 (83 to 190)	0.14
Weight (g)	6305 (4420 to 9500)	5920 (3950 to 7800)	0.07
Interstage ECMO	1 (3%)	2 (7%)	0.70
Death	2 (7%)	1 (3%)	0.51
Interstage surgical reintervention	1 (3%)	0 (0%)	1.0
Interstage catheter reintervention	6 (20%)	6 (20%)	1.0
Technical performance score*			0.92
Optimal	9 (36%)	9 (32%)
Adequate	13 (52%)	16 (57%)
Inadequate	3 (12%)	3 (11%)

Data presented as n (%) or median (range)

ICU: intensive care unit; ECMO: extracorporeal membrane oxygenator; PBF: pulmonary blood flow

^*Excludes 5 pre-protocol and 2 on-protocol patients that had died