TABLE 6.

Characteristics of eligible and ineligible COA cohort^*

Characteristic	Eligible COA (N=55)	Ineligible COA (N=23)	MOMS Postnatal (N=80)‡	p-value	p-value	p-value
	1	2	3	1–2	1–3	2–3
Mother
Age – yrs†	26.04±4.6	25.2±7.4	28.8±4.9	0.5455	0.0013	0.0071
Race or ethnicity, no. (%)				0.685	0.002	0.001
white	40 (72.7)	15 (65.2)	74 (92.5)	0.507	0.002	0.002
black	11 (20.0)	5 (21.7)	1 (1.3)	1.000	<.001	0.002
hispanic	4 (7.3)	3 (13.0)	4 (5.0)	0.687	0.485	0.184
other	0 (0.0)	0 (0.0)	1 (1.3)	NA	1.000	1.000
Married or living with partner, no. (%)	37 (67.3)	15 (65.2)	74 (92.5)	0.861	<.001	0.002
BMI†	25.36±5.75; N=42	25.05±5.07; N=12	25.9±3.9	0.8667	0.5404	0.5007
Fetus
Fetal sex female, no. (%)	20 (36.4)	15 (65.2)	51 (63.4)	0.019	0.002	0.897
Lesion level on ultrasonography, no. (%)				0.001	0.081	<.001
Thoracic	7 (12.7)	3 (13.0)	3 (3.4)	1.000	0.090	0.123
L1–L2	10 (18.2)	1 (4.3)	10 (12.5)	0.745	0.361	1.000
L3–L4	30 (54.5)	6 (26.1)	45 (56.3)	0.022	0.845	0.011
L5–S1	8 (14.5)	9 (39.1)	22 (27.5)	0.016	0.075	0.284
Other	0 (0.0)	4 (17.4)	0 (0.0)	0.006	NA	0.002
Lesion level L3 or lower, no. (%)	38 (69.1)	17 (73.9)	67 (83.8)	0.670	0.044	0.36
Gestational age at birth – wks†	37.6±2.1	37.0±2.9	37.3±1.1	0.3091	0.2816	0.4486
Birth weight - kg†	3.11±0.59	2.99±0.88	3.04±0.47	0.4837	0.4453	0.7184

BMI = Body Mass Index

^*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