Table 1.

Patient characteristics for operative cohort

n = 4390 total		Open (n=4239)	MIS (n=151)	p value
Mean EGA (weeks)		37.9 ± 2.2	38.4 ± 1.7	0.01
Birth weight (kg)		3.03 ± 0.60	3.18 ± 0.50	0.00
Major cardiac anomaly		220 (5.2%)	4 (2.6%)	0.16
Chromosomal anomaly		115 (2.7%)	2 (1.3%)	0.30
Side	Left	3475 (82.0%)	128 (84.8%)
	Right	723 (17.1%)	22 (14.6%)
	Bilateral	31 (0.1%)	1 (0.1%)
	Central	8 (0.1%)	0 (0%)
ECMO		1419 (33.5%)	8 (5.3%)	0.00
Days to repair		6.9 ± 13.0	5.4 ± 4.2	0.15
Patch repair		2188 (51.9%)	49 (32.5%)	0.00
Survival		3509 (82.9%)	148 (98.7%)	0.00