Table 1. Characteristics of patient population.
| Situs group | Patients (n) | Male (n) | Female (n) | Unknown (n) | Age diagnosis <1 year | Age diagnosis >1 year | Mutations detected |
|---|---|---|---|---|---|---|---|
| Classic heterotaxy | 72 | 41 | 23 | 8 | 61 | 11 | 6 (8,3%) |
| CHD heterotaxy | 13 | 10 | 3 | — | 7 | 6 | 0 |
| Abdominal heterotaxy | 3 | 2 | 1 | — | 2 | 1 | 0 |
| Situs inversus totalis | 26 | 13 | 12 | 1 | 17 | 9 | 0 |
| Total heterotaxy | 114 | 66 | 39 | 9 | 87 | 27 | 6 (5,3%) |
| Situs solitisa | 234 | 125 | 97 | 12 | 143 | 91 | 0 |
| Complex CHD | 91 | 53 | 34 | 4 | 61 | 30 | 0 |
| Septation defects | 57 | 25 | 31 | 1 | 31 | 26 | 0 |
| Left-sided obstruction defects | 16 | 6 | 4 | 6 | 15 | 1 | 0 |
| Cyanotic heart disease | 54 | 32 | 21 | 1 | 28 | 26 | 0 |
| Other | 16 | 9 | 7 | — | 8 | 8 | 0 |
a
Situs solitus with solely heart defects subdivided in five categories according to the type of heart defect.