Table 1.

Baseline characteristics of patients presenting with infantile spasms

Characteristics of patients with infantile spasms	n = 56 (%)
Age of onset of seizures in months (Mean ± SD)	5 ± 1.4
Age at diagnosis of infantile spasms in months (Mean ± SD)	6.5 ± 2.3
Lag interval between onset and diagnosis in months (Mean ± SD)	1.4 ± 1.3
Gender (male)	35 (62.5%)
Consanguinity of parents	19 (33.9%)
Seizures per day at onset (Mean ± SD)	62 ± 5.1
Clusters per day at onset (Mean ± SD)	21 ± 4.2
Type of spasms
-Flexion	23 (41.1%)
-Extension	6 (10.7%)
-Mixed	15 (26.8%)
History of neonatal seizures	15 (26.8%)
History of stay in neonatal intensive care unit	14 (25%)
History of premature birth (< 37 weeks gestation)	14 (25%)
History of neonatal sepsis/meningitis	10 (17.8%)
History of developmental delay prior to onset of symptoms	41 (73.2%)