Table 2. The Frequency And Types Of Congenital Heart Disease.

Cardiac lesions	Patients, n = 537 (%)	Age*	M:F ratio
Single lesion	349 (65%)	4 months (3 days –18 years)	1:1.4
ASD	125 (23%)	3 months (3 days –15 years)	1.1:1
AVSD	103 (19%)	3 months (3 days – 12 years)	1:1.6
VSD	76 (14%)	4 months (4 days – 14 years)	1:1
PDA	28 (5%)	5 months (1 moth – 18 years)	1:2
TOF	13 (2%)	3 months (3 weeks – 9 months)	1:1
COA	4 (1%)	5 months (1 week – 6 months)	1:0.3
Multiple lesions	188 (35%)	4 months (2 days – 18 years)	1:1.4
ASD with VSD plus others	77 (14%)	1 year (2 days – 18 years)	1:1.5
VSD with PDA plus others	42 (8%)	1.5 months (1–3 months)	1:0.8
ASD plus PDA with others	40 (7%)	4 months (1.5 months – 1.5 years)	1:0.8
ASD with pulmonary stenosis	11 (2%)	30 days (4 days – 3 years)	1:3
Other rare associations	19 (4%)	2 months (2 days – 2 years)	1:1

ASD, atrial septal defect; AVSD, atrioventricular septal defect; VSD, ventricular septal defect; PDA, patent ductus arteriosus; TOF, tetralogy of Fallot; CoA, coarctation of aorta.

*Median (range) age at diagnosing congenital heart disease.