Demographic, epileptological and ICV/TBV characteristics of the sample
| POE (n=50) | EC (n=50) | |
| Age in years (±SD) | 39.80 (10.99) | 38.64 (10.58) |
| Range: 18–64 | Range: 19–65 | |
| Gender, male, n (%) | 29 (58) | 29 (58) |
| Epilepsy syndrome, n (%) | ||
| Temporal | 36 (72) | 37 (74) |
| Extratemporal | 9 (18) | 7 (14) |
| Generalised | 4 (8) | 4 (8) |
| Unclear | 1 (2) | 2 (4) |
| Side of epilepsy focus, n (%) | ||
| Right | 21 (46) | 23 (50) |
| Left | 16 (34) | 16 (35) |
| Bilateral | 6 (13) | 5 (11) |
| Unclear | 3 (7) | 2 (4) |
| Lesion detected on MRI, n (%) | ||
| Lesion positive | 30 (60) | 23 (46) |
| Lesion negative | 20 (40) | 27 (54) |
| Duration of epilepsy (±SD) | 21.53 (11.9)* | 17.80 (12.78)† |
| Intracranial and brain volume | ||
| ICV (L) | 1.42 (0.17) | 1.40 (0.15) |
| TBV (L) | 1.11 (0.11) | 1.11 (0.19) |
*There were 5 cases of missing data.
†There were 30 cases of missing data.
EC, non-psychotic epilepsy controls; ICV, intracranial volume; POE, psychosis of epilepsy; TBV, total brain volume.