Etiology | Number of patients | Percentage |
Trisomy 21 | 34 | 64.15 |
Epilepsy | 3 | 5.66 |
Prematurity | 3 | 5.66 |
Méningite | 2 | 3.77 |
fetal distress | 8 | 15.09 |
Cerebral palsy | 3 | 5.66 |