| Percentage | Cases | |
|---|---|---|
| Gender | ||
| Male | 55.6% | 10/18 |
| Female | 44.4% | 8/18 |
| General | ||
| Birth Length abnormalities | 0% | 0/18 |
| Birth Weight abnormalities | 0% | 0/18 |
| Birth Head circumference abnormalities | 0% | 0/18 |
| Current Height abnormalities | 0% | 0/18 |
| Current Weight abnormalities | 0% | 0/18 |
| Current Head circumference abnormalities | 5.6% | 1/18 |
| > P98 : Macrocephaly | 5.6% | 1/18 |
| Neurology | ||
| Neurological abnormalities | 100.0% | 18/18 |
| Bilateral tonic-clonic seizure | 72.2% | 13/18 |
| Generalized myoclonic seizure | 55.6% | 10/18 |
| Generalized non-motor (absence) seizure | 44.4% | 8/18 |
| EEG abnormality | 27.8% | 5/18 |
| EEG with generalized polyspikes | 27.8% | 5/18 |
| Focal impaired awareness seizure | 22.2% | 4/18 |
| Focal-onset seizure | 16.7% | 3/18 |
| Ataxia | 11.1% | 2/18 |
| Atonic seizure | 11.1% | 2/18 |
| Focal aware seizure | 11.1% | 2/18 |
| Abnormal speech pattern | 5.6% | 1/18 |
| Aphasia | 5.6% | 1/18 |
| Atypical absence seizure | 5.6% | 1/18 |
| Generalized tonic seizure | 5.6% | 1/18 |
| Generalized clonic seizure | 5.6% | 1/18 |
| Hypotonia | 5.6% | 1/18 |
| Hypsarrhythmia | 5.6% | 1/18 |
| Infantile spasms | 5.6% | 1/18 |
| Status epilepticus | 5.6% | 1/18 |
| Behavioral problems | 23.5% | 4/17 |
| Autism | 11.8% | 2/17 |
| Hyperactivity | 11.8% | 2/17 |
| Anxiety | 5.9% | 1/17 |
| Depression | 5.9% | 1/17 |
| Sleep disturbance | 5.9% | 1/17 |
| Brain abnormality | 20.0% | 3/15 |
| Cerebral atrophy | 13.3% | 2/15 |
| Abnormal venous morphology | 6.7% | 1/15 |
| Arachnoid cyst | 6.7% | 1/15 |