Fig. 4
From: Association of TGF-ß1 polymorphisms and chronic hepatitis C infection: a Meta-analysis
Forest plots of pooled OR with 95% CI for associations between TGF-ß1–509C/T polymorphism and the susceptibility to chronic HCV infection in the total populations (a. TT vs. CC; b. TC vs. CC; c. TT + TC vs. CC; d. TT vs. TC + CC; e. T vs. C)