Table 1.

Baseline hospitalization data for pregnancy-related admissions of women with single ventricle congenital heart disease compared to matched controls

Variable	Single ventricle patients (N=282)	Controls (N=1405)	p-value
Age (years)	25.8±0.9	26.6±0.4	0.3637
Length of stay (days)	4.1±0.9	2.8±0.2	0.0303
Total hospital charges	$30,787±8,109	$15,536±1,006	0.0004
Teaching hospital	218 (77%)	662 (47%)	<0.0001
Admission type			0.0008
Antepartum	73 (26%)	144 (10%)
Delivery	194 (69%)	1241 (88%)
Postpartum	*	*
Delivery route			0.0006
Vaginal	144 (74%)	879 (71%)
Cesarean section	50 (26%)	362 (29%)
Delivery outcome			<0.0001
Liveborn	169 (87%)	1214 (98%)
Stillborn	*	*
Missing	*	*

Italicized values indicate a statistically significant results.

^*Indicates unweighted values > 0 but <10, which cannot be reported in accordance with data use agreement from the National Inpatient Sample.