Table 2.

Estimate of birth prevalence of critical cyanotic congenital heart lesion.

LESION	NATIONAL MEAN OF ALL CASES (PER 1000 LIVE BIRTHS)	ESTIMATED PREVALENCE OF CRITICAL CASES (PER 1000 LIVE BIRTHS)
Tetrology of fallot	0.42	1/8
Transposition of great arteries	0.32	7/8
Hypoplastic right heart	0.22	All
Tricuspid atresia	0.08	3/4
Ebstein’s anomaly	0.11	1/8
Pulmonary atresia	0.13	7/8
Truncus arteriosus	0.11	All
Double outlet right ventricle	0.16	1/2
Single ventricle	0.11	3/4
Total anomalous pulmonary venous return	0.09	All
Total	1.75	1.1

Note: Data from Liske et al.⁸