Table 1.
Type of CHD and gender distribution in CHD and control groups
| Type of CHD | Number of cases | P value | ||
|---|---|---|---|---|
| Male | Female | |||
| CHD | ||||
| Ventricular septal defect | 10 | 7 | 0.71 | |
| Atrial septal defect | 6 | 6 | 0.40 | |
| Valvular malformation | 3 | 4 | 0.30 | |
| Tetralogy of Fallot | 4 | 0 | 0.15 | |
| Patent ductus arteriosus | 1 | 3 | 0.13 | |
| Coarctation of aorta | 2 | 1 | 0.93 | |
| Others | 2 | 1 | 0.93 | |
| Total CHD | 17 | 10 | 0.92 | |
| Controls | 18 | 10 | ||
Others included pulmonary vascular obstruction (n = 2) and congenital diaphragmatic hernia (n = 1); valvular malformation included aortic (n = 4) and mitral (n = 3) valve stenosis or regurgitation