Table 1.

Cohort characteristics

	Baseline	Testing protocol	Program
n	524	113	201
Male	312	68	112
Diagnosis	80 (15%)	25 (22%)	66 (33%)
Dual diagnosis	2	1	9
Incidental diagnosis	1	1	6
Total tested	329 (63%)	81 (72%)	196 (98%)
Multiple tests	247 (75%)	29 (35%)	46 (23%)

This table demonstrates the rate of diagnosis and testing in the comparison cohorts. The baseline cohort is without any intervention to promote genetic testing or diagnosis in infants with congenital heart disease, the testing protocol cohort is when utilization of a standardized protocol to genetically test infants with congenital heart disease was circulated and promoted, and the cardiogenetics program time period.