Effects of Tumor Necrosis Factor-β (TNF-β) 252A>G Polymorphism on the Development of Migraine: A Meta-Analysis
Figure 2
Forest plot of migraine risk associated with TNF-β 252A>G polymorphism stratified by ethnicity under GG vs. AG + AA model.
The boxes and horizontal lines represent the OR and the corresponding 95% CI. The area of the boxes indicates the weight (inverse of the variance). The diamond correspond to the summary OR and 95% CI.