GRIN2B
| Percentage | Cases | |
|---|---|---|
| Gender | ||
| Male | 66.7% | 2/3 |
| Female | 33.3% | 1/3 |
| Indifferent | 0% | 0/3 |
| Unknown | 0% | 0/3 |
| General | ||
| Birth Length abnormalities | 0% | 0/3 |
| Birth Weight abnormalities | 0% | 0/3 |
| Birth Head circumference abnormalities | 33.3% | 1/3 |
| > P98 : Macrocephaly at birth | 33.3% | 1/3 |
| Current Height abnormalities | 0% | 0/3 |
| Current Weight abnormalities | 0% | 0/3 |
| Current Head circumference abnormalities | 33.3% | 1/3 |
| > P98 : Macrocephaly | 33.3% | 1/3 |
| Neurology | ||
| Neurological abnormalities | 100.0% | 3/3 |
| Delayed speech and language development | 33.3% | 1/3 |
| Global developmental delay | 33.3% | 1/3 |
| Moderate intellectual disability | 33.3% | 1/3 |
| Seizure | 33.3% | 1/3 |
| Behavioral problems | 33.3% | 1/3 |
| Aggressive behavior | 33.3% | 1/3 |
| Sleep disturbance | 33.3% | 1/3 |
| Facial abnormalities | ||
| Abnormality of the ear | 33.3% | 1/3 |
| Large fleshy ears | 33.3% | 1/3 |
| Abnormality of the eye | 33.3% | 1/3 |
| Deeply set eye | 33.3% | 1/3 |
| Abnormality of the nose | 33.3% | 1/3 |
| Wide nasal base | 33.3% | 1/3 |
| Abnormality of the mouth | 33.3% | 1/3 |
| Thick lower lip vermilion | 33.3% | 1/3 |
| Tooth malposition | 33.3% | 1/3 |
| Visual and hearing impairments | ||
| Abnormal hearing | 33.3% | 1/3 |
| Sensorineural hearing impairment | 33.3% | 1/3 |
| Gastrointestinal | ||
| Gastrointestinal abnormalities | 66.7% | 2/3 |
| Abnormal eating behavior | 33.3% | 1/3 |
| Constipation | 33.3% | 1/3 |
| Skeleton | ||
| Skeletal abnormalities | 33.3% | 1/3 |
| Long fingers | 33.3% | 1/3 |
| Long toe | 33.3% | 1/3 |