TableĀ 4

Details of the eight major subgroups of CHDs

CTDs (n=56)Tetralogy of Fallot
Transposition of the great arteries
Double outlet right ventricle
Truncus arteriosus
Interrupted aortic arch
AVSD (n=15)Primum type atrial septal defect
APVR (n=4)Total APVR
Partial APVR
LVOTO (n=16)Hypoplastic left heart syndrome
Aortic stenosis
Aortic coarctation
RVOTO (n=6)Hypoplastic right heart syndrome
Tricuspid atresia
Septal (n=16)Perimembranous ventricular septal defect
Muscular ventricular septal defect
Secundum atrial septal defect
Heterotaxy (n=4)Laterality defects with simple cardiovascular malformation
Laterality defects with complex cardiovascular malformation
Complex (n=4)Single ventricle
Complex heart anomaly
  • APVR, anomalous pulmonary venous return; AVSD, atrioventricular septal defects; CHDs, congenital heart defects; CTDs, conotruncal defects; LVOTO, left ventricular outflow tract obstruction; RVOTO, right ventricular outflow tract obstruction.