| Without ID (N = 7) | With ID (N = 43) | p |
---|---|---|---|
Gender (male) | 5 (71.4%) | 33 (76.7%) | 1.000 |
Age at seizure onset (month) | 50.6 ± 35.6 | 26.2 ± 20.0 | 0.009* |
Age at evaluation (years) | 11.9 ± 8.6 | 8.9 ± 5.8 | 0.400 |
History of infantile spasms | 0 (0.0%) | 8 (18.6%) | 0.580 |
Seizure types | |||
 Tonic | 6 (85.7%) | 42 (97.7%) | 0.263 |
 GTCS/secondary GTCS | 5 (71.4%) | 29 (67.4%) | 1.000 |
 Complex partial seizure | 2 (28.6%) | 18 (41.9%) | 0.687 |
 Atypical absence | 4 (57.1%) | 16 (37.2%) | 0.416 |
 Myoclonic | 2 (28.6%) | 14 (32.6%) | 1.000 |
 Spasms | 0 (0.0%) | 12 (27.9%) | 0.174 |
 Drops | 1 (14.3%) | 10 (23.3%) | 1.000 |
 Atonic | 1 (14.3%) | 7 (16.3%) | 1.000 |
Status epilepticus | 1 (14.3%) | 5 (11.6%) | 1.000 |
EEG characteristics | |||
 Slow background activity | 4 (57.1%) | 30 (69.8%) | 0.666 |
 Generalized polyspikes | 7 (100.0%) | 42 (97.7%) | 1.000 |
 Diffuse SSW pattern | 6 (85.7%) | 30 (69.8%) | 0.657 |
 Focal discharges | 5 (71.4%) | 38 (88.4%) | 0.250 |
 Burst-suppression pattern | 0 (0.0%) | 11 (25.6%) | 0.324 |
Antiepileptic drugs | |||
 2 | 3 (42.9%) | 10 (23.3%) | 0.357 |
 ≥ 3 | 4 (57.1%) | 33 (76.7%) |  |
Etiology | |||
 Symptomatic | 0 (0.0%) | 22 (51.2%) | 0.014* |
 Cryptogenic | 7 (100.0%) | 21 (48.8%) |  |
Seizure free | 4 (57.1%) | 10 (23.3%) | 0.085 |