Benign myoclonic epilepsy of infancy. Ages of first seizure, characteristic electroencephalogram (EEG), diagnosis, and last seizure
| Patient | First seizure (months) | EEG characteristics (months) | Diagnosis (months) | Last seizure (months) |
| 1 | 8 | 8 | 8 | 17 |
| 2 | 6 | 6 | 6 | 12 |
| 3 | 4 | 8 | 8 | 10 |
| 4 | 8 | 9 | 9 | 10 |
| 5 | 9 | 10 | 10 | 36 |
| 6 | 10 | 12 | 12 | 16 |