Figure 2From: The association of APE1 −656T > G and 1349 T > G polymorphisms and cancer risk: a meta-analysis based on 37 case-control studies Meta-analysis with a random-effects model for the association between cancer risk and the APE1 -656 T > G polymorphism stratified by cancer types (TG/GG vs . TT). OR, odds ratio; CI, confidence interval; I-squared, measure to quantify the degree of heterogeneity in meta-analyses.Back to article page