Table 2.

Cardiac lesions seen in cohort and number of patients with diagnosis related to their congenital lesion

Lesion type	Volume	Diagnosis
Anomalous pulmonary venous return	5	3 (60%)
Atrioventricular septal defect	6	4 (67%)
Complex	14	6 (43%)
Conotruncal	70	27 (39%)
Heterotaxy	13	4 (31%)
Left ventricular outflow tract obstruction	63	17 (27%)
Other	2	0
Right ventricular outflow tract obstructions	20	2 (10%)
Septal	8	3 (38%)

This table illustrates the proportion of patients with specific lesions types as defined by the National Birth Defect Prevention Study's criteria and how often they had a diagnosis related to their lesion.12