Table 4.

Distribution of major congenital heart defects in Down syndrome

^*Comparison between groups with DS and non-chromosomal abnormalities; ^†Comparison between groups with chromosomal abnormalities and non-chromosomal abnormalities. DS, Down syndrome; ASD, atrial septal defect; VSD, ventricular septal defect; PDA, patent ductus arteriosus; PV, pulmonary valve; TOF, tetralogy of Fallot; AVSD, atrioventricular septal defect; CoA, coarctation of aorta; DORV, double outlet right ventricle; TGA, transposition of great arteries.