Table 1.
Patient characteristics
| Patients (n = 49) | Controls (n = 23) | |
|---|---|---|
| Age in years, M (SD) | 36.9 (13.0) | 21.8 (3.1)* |
| Males (females) | 23 (26) | 7 (16) |
| Age of onset, M (SD) | 21.1 (13.7) | |
| Seizure duration in years, M (SD) | 15.4 (13.6) | |
| Monthly seizure frequency, M (SD), n = 40 | 11.7 (20.5) | |
| Handedness: right/left/ambidexter/unknown | 35/7/4/3 | 23/0/0/0 |
| Left hippocampal volume, mm3 M (SD) | 3932.9 (721.9) | 4416.6 (386.3) |
| Right hippocampal volume, mm3 M (SD) | 4104.3 (540.6) | 4393.4 (373.5) |
| MRI findings: no lesion/MTS/cortical dysplasia/other | 19/24/3/3 | |
| Pathology: no lesion/MTS/other, n = 25 | 4/20/1 | |
| Postsurgical outcome Engel class I/II–III/IV, n = 25 | 19/3/3 | |
| No of AEDs used (1/2/3/4/unknown) | 6/25/10/5/3 |
MRI, magnetic resonance imaging; MTS, mesial temporal sclerosis; AEDs, Anti-epileptic drugs.
*
P < 0.01 difference between patients and controls.