Table 2. Genotype distributions and allelic frequencies of SNP8NRG241930 among studied groups.

GG vs. TT+GT			G vs. T alleles			TT	GT	GG	G allele frequency	Subjects (N)	SNPs ID
p	df	χ2	p	df	χ2	8%	38%	54%	72.6%	Cases (95)	SNP8NRG241930
≤0.001	1	16.09	≤0.001	1	10.375	11%	63%	26%	56.8%	Controls (95)

df: Degree of freedom, χ²: chi square.