Table 4 Distribution of different etiologies among studied epileptic groups
From: Prevalence of childhood and adolescence epilepsy in Upper Egypt (desert areas)
Etiology of epilepsy | Infancy and early childhood (birth to < 6 years) N = 144 | Late childhood (6 to < 12 years) N = 122 | Adolescents (12 to < 18 years) N = 84 | Total N = 350 | ||||
|---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | N | % | |
Idiopathic | 76 | 52.8 | 74 | 60.7 | 58 | 69 | 208 | 59.4 |
Structural/metabolic | ||||||||
Perinatal complications | 29 | 20.1 | 18 | 14.8 | 10 | 11.9 | 57 | 16.3 |
CNS infection | 11 | 7.6 | 10 | 8.2 | 2 | 2.4 | 23 | 6.6 |
Post-traumatic | 4 | 2.8 | 2 | 1.6 | 4 | 4.8 | 10 | 2.9 |
Vascular | 3 | 2.1 | 3 | 2.5 | 1 | 1.2 | 7 | 2 |
Congenital deficits | 4 | 2.8 | 1 | 0.8 | 0 | 0 | 5 | 1.4 |
Metabolic | 1 | 0.7 | 1 | 0.8 | 1 | 1.2 | 3 | 0.9 |
Tumors | 1 | 0.7 | 2 | 1.6 | 0 | 0 1 | 3 | 0.9 |
Tuberous sclerosis | 1 | 0.7 | 0 | 0 | 1 | 0.2 | 2 | 0.6 |
Unknown etiology | 14 | 9.7 | 11 | 9 | 7 | 8.3 | 32 | 9.1 |