From: Population-based evaluation of a suggested anatomic and clinical classification of congenital heart defects based on the International Paediatric and Congenital Cardiac Code
Number of codes
Total number of CHD cases*
%
1
2279
79.5
2
405
14.1
3
117
4.1
4
37
1.3
5
27
0.9
6
0.1
All
2867
100.0