Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Clin Pediatr. Feb 8, 2017; 6(1): 24-33
Published online Feb 8, 2017. doi: 10.5409/wjcp.v6.i1.24
Table 3 Underlying causes of delayed language development among studied children
Causes of DLDNumber of children%
Mental retardation2638.2
Environmental deprivation1217.6
Below average mentality1014.7
Specific language impairment68.8
Cerebral palsy57.4
Hearing impairment57.4
ADHD (inattentive)22.9
ASD - autism22.9