Table 1

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: 18–64Range: 19–65
Gender, male, n (%)29 (58)29 (58)
Epilepsy syndrome, n (%)
 Temporal36 (72)37 (74)
 Extratemporal9 (18)7 (14)
 Generalised4 (8)4 (8)
 Unclear1 (2)2 (4)
Side of epilepsy focus, n (%)
 Right21 (46)23 (50)
 Left16 (34)16 (35)
 Bilateral6 (13)5 (11)
 Unclear3 (7)2 (4)
Lesion detected on MRI, n (%)
 Lesion positive30 (60)23 (46)
 Lesion negative20 (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.