Fig. 2

The forest plot of the allelic model (A vs. G) for the associations between IL-17A rs2275913 polymorphism and colorectal cancer. The study-specific ORs are represented as squares. The size of the square indicates the weight of each study. The horizontal lines represent 95% CIs. Diamonds show the overall estimate or pooled ORs in subgroups with their corresponding 95% CIs