Table 1.

Diagnoses and Classifications of the obtained sample

Classification	Frequency by diagnosis, N=91
Class 1 2V, no aortic obstruction 37 Total	6 dextro-Transposition of the great arteries and intact ventricular septum 3 dextro-Transposition of the great arteries and ventricular septal defect 6 Tetralogy of Fallot 5 Tetralogy of Fallot/Pulmonary atresia 4 Truncus arteriosus 4 Ventricular septal defect 3 Atrioventricular canal defects 6 Other 2V defects
Class 2 2V, aortic obstruction 15 Total	1 Truncus arteriosus (with Interupted aortic arch) 2 Ventricular septal defect with Coarctation 3 Coarctation/Arch hypoplasia 9 Other 2V defects with aortic obstruction
Class 3 SV, no aortic obstruction 19 Total	4 Pulmonary atresia with intact ventricular septum 15 Other functional SV defects
Class 4 SV, aortic obstruction 20 Total	13 Hypoplastic left heart syndrome 7 Other functional SV defects with aortic obstruction

2V = Two Ventricle, SV = Single Ventricle