Table 2.

Frequency of diagnoses by group.

Diagnosis	Frequency	Percentage
Single ventricle	94	15.3
Tetralogy of Fallot	82	13.4
ASD	81	13.2
VSD	71	11.6
AV canal	50	8.1
Pulmonary atresia	43	7.0
Coarctation of aorta and aortic arch hypoplasia	33	5.4
Patent ductus arteriosus	25	4.1
Transposition of the great arteries	25	4.1
DORV	19	3.1
Partial anomalous pulmonary venous connection	16	2.6
Aortic valve disease	14	2.3
Mitral valve disease	9	1.5
Cardiomyopathy	8	1.3
Pulmonary valve disease	8	1.3
Truncus arteriosus	7	1.1
Tricuspid valve disease and Ebstein's anomaly	5	0.8
Hypoplastic left heart syndrome	4	0.7
RVOT obstruction and/or pulmonary stenosis	4	0.7
Total anomalous pulmonary venous connection	3	0.5
Unassigned	2	0.3
Shone's syndrome	2	0.3
Aortic aneurysm	1	0.2
AP window	1	0.2
Conduit failure	1	0.2
Congenitally corrected TGA	1	0.2
Cor triatriatum	1	0.2
Electrophysiological	1	0.2
LV to aorta tunnel	1	0.2
Miscellaneous, other	1	0.2
Vascular rings and Slings	1	0.2

ASD=atrial septal defect; VSD=ventricular septal defect; AV=atrioventricular; DORV=double outlet left ventricle; RVOT=right ventricle outflow tract; AP=aortopulmonary; TGA=transposition of great arteries; LV=left ventricle