Table 2. Clinical data on d-TGA patients participating in mutation screening.
| Number of patients | 102 | |
| Percentage [N] of males | 70.6% | [72] |
| Mean (SD) age at first diagnosis (months) | 3.28 | (1.21) |
| Mean (SD) age at first operation (months) | 3.42 | (1.33) |
| Family history of CHD—percentage [N] | 1% | [1] |
| Percentage [N] of mothers suffered from URTI in the early stage of pregnancy | 18.6% | [19] |
| Percentage [N] of mothers with gestational diabetes mellitus | 2.9% | [3] |
| Percentage [N] of maternal exposure to rodenticides and herbicides | 0 | |
| Percentage [N] of maternal use of antiepileptic drugs | 0 | |
| Percentage [N] of patients with extracardiac anomalies | 0 | |
| Categories—percentage [N] | ||
| TGA/IVS | 52.9 | [54] |
| TGA/VSD | 30.4 | [31] |
| TGA/IVS with other cardiac malformations (CoA, Ps, SV et al.) | 10.8 | [11] |
| TGA/IVS with other cardiac malformations (CoA, Ps, SV et al.) | 5.9 | [6] |
CHD, congenital heart disease; URTI, upper respiratory tract infection; IVS, intact ventricular septum; VSD, ventricular septum defect; CoA, coarctation of aorta; Ps, pulmonary valve stenosis; SV, single ventrical; SD, standard deviation; N, number; d-TGA, dextro-transposition of the great arteries.