Fig. 2From: The association of MTHFR C677T variant with increased risk of ischemic stroke in the elderly population: a meta-analysis of observational studiesForest plots of the relationship between MTHFR 677CT polymorphism and ischemic stroke (a: CT + TT vs. CC; b: CT vs. CC; c: TT vs. CC; d: TT vs. CC + CT; e:T-allele vs. C-allele). CI, confidence interval; IS, ischemic strokeBack to article page