Table 2. Baseline clinical characteristics of the 196 unrelated patients with congenital heart disease.
| Variable | Statistic |
|---|---|
| Male gender (%) | 102 (52.0) |
| Age (years) | 5.2 ± 2.4 |
| Positive family history (%) | 36 (18.4) |
| Prevalence of different types of CHD | |
| Isolated CHD (%) | 105 (53.6) |
| VSD (%) | 32 (16.3) |
| ASD (%) | 27 (13.8) |
| PDA (%) | 20 (10.2) |
| ECD (%) | 6 (3.1) |
| AS (%) | 5 (2.6) |
| PA (%) | 5 (2.6) |
| CoA (%) | 4 (2.0) |
| PS (%) | 3 (1.5) |
| TA | 2 (1.0) |
| HLHS (%) | 1 (0.5) |
| Complex CHD (%) | 72 (36.7) |
| TOF (%) | 28 (14.3) |
| DORV + VSD (%) | 17 (8.7) |
| ECD + TGA (%) | 14 (7.1) |
| TA + VSD (%) | 9 (4.6) |
| TGA +VSD (%) | 4 (2.0) |
| Others (%) | 19 (9.7) |
| Incidence of arrhythmia | |
| Atrial fibrillation (%) | 16 (8.2) |
| Atrioventricular block (%) | 8 (4.1) |
| Treatment | |
| Surgical repair (%) | 118 (60.2) |
| Catheter-based closure (%) | 57 (29.1) |
| Follow-up (%) | 21 (10.7) |
CHD, congenital heart disease; VSD, ventricular septal defect; ASD, atrial septal defect; PDA, patent ductus arteriosus; ECD, endocardial cushion defect; AS, aortic stenosis; PA, pulmonary atresia; CoA, coarctation of the aorta; PS, pulmonary stenosis; TA, truncusarteriosus; HLHS, hypoplastic left heart syndrome; TOF, tetralogy of Fallot; DORV, double outlet of right ventricle; TGA, transposition of great arteries.