Associated signs | Frequency (n = 21) | Proportions (%) |
Convulsions | 8 | 38 |
Tone disorders | 4 | 19 |
Macrocrania | 3 | 14.4 |
Language disorders | 2 | 9.5 |
Fontanel bulge | 2 | 9.5 |
Trisomal facies | 1 | 4.8 |
Dorsolumbar swelling | 1 | 4.8 |