Table 2 Characteristics of children with epilepsy
Epilepsy syndromes | % (N) | Duration of epilepsy (years) | % (N) |
|---|---|---|---|
Benign epilepsy with centrotemporal spikes | 16 (18) | < 1 | 55 (63) |
Benign infantile epilepsy | 2 (3) | 1~3 | 13 (15) |
Early myoclonic encephalopathy | 1 (1) | 3~5 | 8 (9) |
Late onset childhood occipital epilepsy | 2 (3) | ≥ 5 | 24 (28) |
Temporal lobe epilepsy | 11 (12) | ||
Panayiotopoulos syndrome | 4 (4) | ||
Generalized epilepsy with febrile seizure plus | 7 (8) | Age at seizure onset (years) | % (N) |
Childhood absence epilepsy | 7 (8) | < 1 | 34 (39) |
Juvenile myoclonic epilepsy | 5 (6) | 1~3 | 17 (19) |
Lennox Gastaut syndrome | 24 (28) | 3~5 | 10 (12) |
Idiopathic generalized epilepsy | 16 (18) | 5~7 | 12 (14) |
Symptomatic generalized epilepsy | 5 (6) | ≥ 7 | 27 (31) |
Epilepsy etiology | % (N) | Duration of last seizure before blood collection (minutes) | % (N) |
Structural | 3 (4) | < 5 | 83 (72) |
Genetic | 10 (11) | 5~10 | 11 (10) |
Dravet syndrome | 5 | 10~30 | 7 (6) |
Lafora diseases | 3 | ≥ 30 | 14 (12) |
Rett syndrome | 2 | ||
Infectious | 0 | ||
Immune | 0 | ||
Neurodevelopmental comorbidities | % (N) | Number of antiepileptic drugs (N) | % (N) |
ADHD | 18 (16) | 1 | 60 (70) |
Autism spectrum disorder | 4 (3) | 2 | 15 (17) |
Mental retardation | 31 (27) | ≥ 3 | 25 (28) |