Table 2.

Neonatal outcomes stratified by gestational age at delivery

Neonatal outcomes	Prenatal surgery	Postnatal surgery
Birthweight
<30 weeks	1,148.8 (371.6)	−
30–33 6/7 weeks	2,039.6 (304.6)	1,604.0 (446.9)
34–36 6/7 weeks	2,639.9 (351.3)	2,804.2 (317.6)
≥37 weeks	3,039.9 (360.9)	3,131.6 (388.0)
Apgar score 1 min <7, n/total n (%)
<30 weeks	6/10 (60.0)	0/0 (−)
30–33 6/7 weeks	9/25 (36.0)	1/2 (50.0)
34–36 6/7 weeks	2/39 (5.1)	1/13 (7.7)
≥37 weeks	2/17 (11.8)	12/77 (15.6)
Apgar score 5 min <7, n/total n (%)
<30 weeks	4/10 (40.0)	0/0 (−)
30–33 6/7 weeks	5/25 (20.0)	1/2 (50.0)
34–36 6/7 weeks	1/39 (2.6)	1/13 (7.7)
≥37 weeks	0/17 (0.0)	1/77 (1.3)
Foot deformity, n/total n (%)	45/90 (50.0)	41/92 (44.6)
<30 weeks	5/9 (55.6)	0/0 (−)
30–33 6/7 weeks	11/25 (44.0)	1/2 (50.0)
34–36 6/7 weeks	18/39 (46.2)	7/13 (53.8)
≥37 weeks	11/17 (64.7)	33/77 (42.9)
Apnea, n/total n (%)
<30 weeks	8/8 (100)	0/0 (−)
30–33 6/7 weeks	16/25 (64.0)	1/2 (50.0)
34–36 6/7 weeks	10/39 (25.6)	7/13 (53.8)
≥37 weeks	2/17 (11.8)	11/77 (14.3)
Surfactant, n/total n (%)
<30 weeks	5/9 (55.6)	0/0 (−)
30–33 6/7 weeks	7/25 (28.0)	0/2 (0.0)
34–36 6/7 weeks	5/39 (12.8)	4/12 (33.3)
≥37 weeks	0/17 (0.0)	0/77 (0.0)
RDS, n/total n (%)
<30 weeks	5/9 (55.6)	0/0 (−)
30–33 6/7 weeks	12/25 (48.0)	0/2 (0.0)
34–36 6/7 weeks	3/39 (7.7)	3/13 (23.1)
≥37 weeks	0/17 (0.0)	3/77 (3.9)
Hyperbilirubinemia, n/total n (%)
<30 weeks	6/8 (75.0)	0/0 (−)
30–33 6/7 weeks	18/25 (72.0)	0/2 (0.0)
34–36 6/7 weeks	14/39 (35.9)	3/13 (23.1)
≥37 weeks	2/17 (11.8)	8/77 (10.4)
IVH, n/total n (%)
<30 weeks	2/8 (25.0)	0/0 (−)
30–33 6/7 weeks	3/25 (12.0)	0/2 (0.0)
34–36 6/7 weeks	5/39 (12.8)	0/13 (0.0)
≥37 weeks	1/17 (5.9)	3/77 (3.9)

RSD, respiratory distress syndrome; IVH, intraventricular hemorrhage.