Fig. 4From: Polymorphism in COMT is associated with IgG3 subclass level and susceptibility to infection in patients with chronic fatigue syndromeDistribution of variants for COMT rs4680 in 34 CFS patients with RRTI and 40 CFS patients without RRTI. As control 68 non-CFS patients with RRTI were analysed. Statistic analysis was performed with two-tailed Chi-Square/Fisher’s exact test with *p < 0.05 between the variant Met/Met and Met/Val, and the major variant Val/Val.Back to article page