**Figure 3.** **Forest plot of PCa risk associated with the MTR A2756G polymorphism (allelic contrast of G-allele vs. A-allele, fixed-effects) in the stratified analyses by ethnicity**. The *squares* and *horizontal lines* represent the study-specific OR and 95% CI. The area of the *squares* reflects the weight (inverse of the variance). The *diamond* corresponds to the summary OR and 95% CI. Separate details were summarized in