Table 1 Demographic data of the study population
From: P300 event-related potentials in people with epilepsy: clinico-neurophysiologic study
Characteristics | Patients | Controls | p-value |
|---|---|---|---|
N = 102 | N = 50 | ||
Age, years | Â | Â | Â |
 Mean ± SD | 25.97 ± 9.79 | 26.46 ± 9.16 | 0.37 |
Gender | Â | Â | Â |
 Male | 44 (43.14%) | 25 (50%) | 0.425 |
 Female | 58 (56.86%) | 25 (50%) |  |
Educational level | Â | Â | Â |
 Illiterate | 4 (3.92%) | 1 (2%) | 0.16 |
 Primary | 37 (36.27%) | 13 (26%) |  |
 Secondary | 44 (43.14%) | 20 (40%) |  |
 Higher | 17 (16.67%) | 16 (32%) |  |
Age at presentation, years | 15.92 ± 9.16 |  |  |
 Mean ± SD |  |  |  |
Duration of epilepsy, years | Â | Â | Â |
 Mean ± SD | 10.06 ± 4.11 |  |  |
 Range | 1.0–39 |  |  |
EEG record | Â | Â | Â |
 Abnormal | 87 (85.29%) |  |  |
 Normal | 15 (14.71%) |  |  |
Epilepsy type | Â | Â | Â |
 Focal | 52 (50.98%) |  |  |
 Generalized | 50 (49.02%) |  |  |
Seizure type | Â | Â | Â |
 Generalized tonic–clonic | 48 (47.06%) |  |  |
 Secondary generalized | 39 (38.24%) |  |  |
 Myoclonic | 21 (20.59%) |  |  |
 Complex partial | 13 (12.75%) |  |  |
 Simple partial | 4 (3.92%) |  |  |
 Absences | 3 (2.94%) |  |  |
Number of seizure types | Â | Â | Â |
 One | 77 (75.49%) |  |  |
   > One | 25 (24.51%) |  |  |
NHS3 score | Â | Â | Â |
 For one seizure type | 15.46 ± 4.39 |  |  |
 For > one seizures type | 5.46 ± 5.67 |  |  |