Table 1.

Demographic characteristics for the 50 healthy subjects included in the study. A risk genotype (TT) is defined as a homozygous carrier of the risk allele (T) for both MS-associated IL2RA SNPs rs2104286 and rs11256593. A protective genotype (CC) is defined as a homozygous carrier of the protective allele (C) for both MS-associated IL2RA SNPs rs2104286 and rs11256593.

	Risk Genotype Group	Protective Genotype Group
	(TT)	(CC)
N	25	25
Mean age (yr)	46.7	47.0
Age range (yr)	24–68	24–70
Male:female ratio	9:16	9:16