Table 2. Showing other associated features with GDD.

Clinical features	Present	Percent
Abnormal neurological findings	84	76.4
Microcephaly	79	70.2
Dysmorphic	52	47.3
Seizures	47	42.7
Positive family history	35	31.8
Macrocephaly	6	5.5
Autistic features	5	4.5