Table 2:
Clinical characteristics of patients.
Clinical characteristics
𝑁
(%)
Mean
Range
36 patients
Age at surgery, years
27
8–71
Age at onset
7.4
1–19
Duration
19.5
2–52
Female
14 (38%)
Location:
frontal
28 (78%)
parietal
6 (17%)
occipital
2 (5%)
Presence of risk factor
14 (38%)
Presence of GTC seizure
14 (38%)
Pathology:
gliosis
25 (70%)
MCD
11 (30%)
Scalp EEG:
Group 1
12 (33%)
Group 2
8 (22%)
Group 3
9 (25%)
Group 4
7 (15%)
Ictal scalp EEG patterns:
focal Ictal Beta
6/30 (20%)
other
24/30 (80%)
iEEG onset patterns
Fast frequency (>14 Hz)
17/31 (55%)
Other
14/31 (45%)
Localized SPECT
13 (36%)
Localized SISCOM
22 (61%)
GTC: generalized tonic clonic seizure.
MCD: malformation of cortical development.
IED: interictal epileptiform discharge.
Group 1: localized IED; Group 2: lateralized but not localized IED; Group 3: generalized or bilateral IED; Group 4: no IED.