Table 2

 Neurological diseases in study and control patients

Neurological diseasesStudy group (n = 29)Control group (n = 37)
No of patients*No of patients*
*Most patients had more than one neurological abnormality
Developmental delay104
Cerebral palsy42
Attention deficit disorder41
History of intracranial haemorrhage40
Periventricular leucomalacia31
Seizure disorder24
Cortical visual impairment20
History of hydrocephalus10
History of anoxic brain damage10
History of encephalitis10