Table. Demographic and Clinical Characteristics.
| Characteristic | Patients With Epilepsy (n = 190) | Healthy Volunteers (n = 141) | P Value |
|---|---|---|---|
| Sex, No. (%) | |||
| Male | 91 (47.9) | 65 (46.1) | .75 |
| Female | 99 (52.1) | 76 (53.9) | |
| Age, mean (SD), y | |||
| At baseline MRI scan | 36 (11) | 35 (17) | .56 |
| At seizure onset | 16 (12) | NA | |
| Duration of epilepsy at baseline MRI scan, mean (SD), y | 22 (13) | NA | |
| Lateralization of epilepsy, No. (%) | |||
| Left | 72 (37.9) | NA | NA |
| Right | 68 (35.8) | NA | NA |
| Bilateral | 21 (11.1) | NA | NA |
| Undetermined | 29 (15.3) | NA | NA |
| Localization of epilepsy, No. (%) | |||
| Temporal | 101 (53.2) | NA | NA |
| Frontal | 28 (14.7) | NA | NA |
| Parietal | 5 (2.6) | NA | NA |
| Multilobar | 7 (3.7) | NA | NA |
| Undetermined | 49 (25.8) | NA | NA |
| Hippocampal sclerosis, No. (%) | 38 (20.0) | NA | NA |
| Seizures | |||
| Seizure frequency/mo, mean (SD) | 29 (145) | NA | NA |
| No seizures, No. (%) | 14 (7.4) | NA | NA |
| Less than once a month, No. (%) | 29 (15.3) | NA | NA |
| Once a month to once a week, No. (%) | 62 (32.6) | NA | NA |
| Once a week to daily, No. (%) | 63 (33.2) | NA | NA |
| Daily seizures, No. (%) | 22 (11.6) | NA | NA |
| Generalized tonic-clonic seizures, No. (%) | 92 (48.2) | NA | NA |
| No. of AEDs, mean (SD) | 2 (1) | NA | NA |
Abbreviations: AED, antiepileptic drug; MRI, magnetic resonance imaging; NA, not applicable.