EEG laterality observed across handedness.
| Handedness | Asynchronous sleep spindles before the age of 2 years | Total | p-value | ||
|---|---|---|---|---|---|
| Left | Right | Inconclusive | |||
| Left | 2 (16.7) | 3 (17.6) | 0 (0) | 5 (15.2) | 0.377 |
| Right | 5 (41.7) | 6 (35.3) | 1 (25.0) | 12 (36.4) | |
| Inconclusive | 5 (41.7) | 9 (52.9) | 3 (75.0) | 17 (51.5) | |
| Total | 12 (36.4) | 17 (51.5) | 4 (12.1) | 33 (100) | |
| Handedness observed across EEG laterality | |||||
| Left | 2 (50.0) | 2 (50.0) | 0 (0) | 4 (12.1) | 0.377 |
| Right | 5 (41.7) | 6 (50.0) | 1 (8.3) | 12 (36.4) | |
| Inconclusive | 5 (29.4) | 9 (52.9) | 3 (17.6) | 17 (51.5) | |
| Total | 12 (36.4) | 17 (51.5) | 4 (12.1) | 33 (100) | |