| Variable | Frequency (n = 39) | Percent |
| Prominent fore head | 19 | 48.7 |
| Bulging anterior fontanel | 18 | 46.2 |
| Enlarged cranial sutures | 17 | 43.6 |
| Macrocrania | 9 | 25.6 |
| Sunset gaze | 8 | 20.5 |
| Reduced face | 8 | 20.5 |