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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
  1. P < 0.0001