Table I.
Participant demographic and clinical characteristics
| Variables | Generalized epilepsy | Focal epilepsy | Comparison |
|---|---|---|---|
| n=20 | n=27 | n=57 | |
| Sex Male/Female | 8/12 | 12/15 | 28/29 |
| Mean age, y:mo (SD) | 11:6 (2:6) | 11:8 (2:2) | 11:2 (2:4) |
| Mean IQ (SD) | 95.1 (16.8) | 87.5 (14.1) | 104.5 (12.8) |
| Ethnicity, white/Asian | 18/2 | 24/3 | 52/5 |
| Special educational support | 5 | 13 | 0 |
| SESa Lower third rankings (%) | 35 | 44 | 26 |
| SES Middle third rankings (%) | 25 | 26 | 25 |
| SES Upper third rankings (%) | 40 | 30 | 49 |
| Age at onset, y:mo (SD) | 7:2 (2:11) | 6:10 (2:10) | |
| Duration, y:mo (SD) | 3:4 (2:6) | 3:4 (2:4) | |
| Seizure in last 6 months (%) | 50 | 41 | |
| Antiepileptic medication | |||
| Monotherapy (%) | 70 | 55 | |
| Polytherapy (%) | 11 | 20 | |
| None (%) | 19 | 25 | |
| Epilepsy syndrome/type of epilepsy | |||
| Childhood absence epilepsy | 5 | ||
| Other | 15 | ||
| Benign epilepsy with centrotemporal spikes | 7 | ||
| Temporal | 7 | ||
| Frontal | 5 | ||
| Occipital | 2 | ||
| Mixed focal | 6 | ||
| Seizure typesb | |||
| Typical absence | 11 | ||
| Tonic-clonic | 12 | ||
| Myoclonic-atonic | 1 | ||
| Atonic | 1 | ||
| Consciousness unimpaired | 2 | ||
| Consciousness impaired | 15 | ||
| Evolving bilateral | 11 | ||
a
Socioeconomic status (SES) as derived from the Indices of Deprivation rankings for postal code areas in England.
b
Six children had two different seizure types.