Patient characteristics.
| Characteristics | n (%) |
|---|---|
| Age at EEG time (yr.) | |
| ≤1 | 20 (60.6) |
| 1-2 | 13 (39.4) |
| Present age (yr.) | |
| <3 | 15 (45.5) |
| 3-4 | 18 (54.5) |
| Male | |
| 14 | 14 (42) |
| Female | |
| 19 | 19 (58) |
| Asynchronous sleep spindles before the age of 2 years | |
| Left | 12 (36.4) |
| Right | 17 (51.5) |
| Inconclusive | 4 (12.1) |
| Handedness | |
| Left | 5 (15.2) |
| Right | 11 (33.3) |
| Inconclusive | 17 (51.5) |
EEG - Electroencephalogram