| Patients (No) | 21 |
| Sex (M/F) | 14/7 |
| Mean age of onset of epilepsy (years) | 9.22 ± 10.02 (range: 1-54) |
| Mean pre-implant epilepsy duration (years) | 21.71 ± 11.07 (range: 3-42) |
| Mean age at implant (years) | 31.42 ± 14.7 (range: 10-62) |
| Etiology cortical malformations ischemia tumor infection tuberous sclerosis non lesional |
2 8 2 1 3 5 |
| Stimulation frequency (Hz) | 30 |
| Pulse width (µsec) | |
| Stimulation cycles slow intermediate fast |
30 sec on / 5 min off, 30 sec on / 3 min off 7 sec on / 20 min off |
| Mean follow-up (months) | 80.42 ± 54.01 |