TABLE 5.

Fetal characteristics of the overall study population^*

Characteristic	COA (N=78)	MOMS prenatal (N=78)‡	MOMS postnatal (N=80)‡	p-value	p-value
	1	2	3	1–2	1–3
Fetal sex female, no. (%)	35 (44.9)	35 (44.8)	51 (63.8)	1.000	0.017
Lesion level on ultrasonography, no. (%)				0.025	0.051
Thoracic	10 (12.8)	4 (5.1)	3 (3.8)	0.093	0.038
L1–L2	11 (14.1)	21 (26.9)	10 (12.5)	0.047	0.767
L3–L4	36 (46.2)	30 (38.5)	45 (56.3)	0.331	0.204
L5–S1	17 (21.8)	23 (29.5)	22 (27.5)	0.271	0.406
Other	4 (5.1)	0 (0.0)	0 (0.0)	0.120	0.057
Lesion level L3 or lower, no. (%)	55 (70.5)	53 (67.9)	67 (83.8)	0.729	0.047
Gestational age at birth – wks†	37.4±2.37; M 38.0	34.1±3.1	37.3±1.1	<.0001	0.7331
Gestational age at birth, no. (%)				<.001	0.442
<30 wks	2 (2.6)	10 (12.8)	0 (0.0)	0.016	0.242
30–34 wks	5 (6.4)	26 (33.3)	4 (5.0)	<.001	0.744
35–36 wks	10 (12.8)	26 (33.3)	8 (10.0)	0.002	0.577
≥37 wks	61 (78.2)	16 (20.5)	68 (85.0)	<.001	0.27
Birth weight
Mean – kg†	3.07±0.68; M 3.12	2.38±0.69	3.04±0.47	<.0001	0.7469

M = Median

^*Statistical analysis was performed using student T-Test, Fisher’s exact test, and chi-square test, as appropriate.

^†Values are reported as mean ± SD.

^‡The initial patients reported by MOMS.¹