Lack of Association of Childhood Partial Epilepsy with Brain Derived Neurotrophic Factor Gene

Table 2

Genotype frequencies of BDNF gene polymorphism in the epilepsy, control, mental retardation, and cerebral palsy subjects.

	CC	CT	TT	Total
Control group	89 (89%)	11 (11%)	0	100
Epilepsy group	97 (86.6%)	13 (11.6%)	2 (1.8%)*	112
Idiopathic	74 (87%)	10 (11.8%)	1 (1.2%)	85
Symptomatic	23 (85.2%)	3 (11.1%)	1 (3.7%)**	27
Mental retardation	18 (90)	2 (10%)	0***	20
Cerebral palsy	7 (87.5%)	1 (12.5%)	0****	8

* 𝜒²=1.94, 𝑃=0.379, **𝜒²=0.749, 𝑃=0.688, ***𝜒²=1.107, 𝑃=0.575, ****𝜒²=0.325, 𝑃=0.85.