Association of the C47T Polymorphism in SOD2 with Amnestic Mild Cognitive Impairment and Alzheimer’s Disease in Carriers of the APOEε4 Allele

Table 2

Allelic and genotypic frequencies.

Gene			aMCI ()	AD ()	Controls ()
SOD2	Allele	T	0.488	0.463	0.480
		C	0.512	0.537	0.520
	Genotype	TT	0.194	0.220	0.221
		TC	0.588	0.487	0.518
		CC	0.218	0.293	0.261
	H-W	-value	0.012	0.755	0.608
APOE	Allele	2	0.025	0.034	0.057
		3	0.725	0.668	0.839
		4	0.250	0.298	0.104
	Genotype	2/2	0.000	0.000	0.009
		2/3	0.042	0.050	0.090
		2/4	0.009	0.018	0.008
		3/3	0.551	0.428	0.693
		3/4	0.305	0.428	0.200
		4/4	0.093	0.076	0.000
	H-W	-value	0.115	0.567	0.087

Hardy-Weinberg equilibrium. Significative value < 0.025 after Bonferroni correction.