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Table 1 Type of CHD and gender distribution in CHD and control groups

From: DNA methylation abnormalities of imprinted genes in congenital heart disease: a pilot study

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  
  1. 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