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Figure 1: Forest plot for overall metaanalysis showing the association of tuberculosis risk with interferongamma +874 T/A polymorphism through random effects dominant model (AA vs. AT + TT) confirming the role of AA genotype in tuberculosis susceptibility. The horizontal line on the forest plot represents 95% confidence interval and the small vertical lines crossing this horizontal line represent odds ratio. The red bars represent relative weight given to each study and the yellow row illustrates Pooled odds ratio with 95% confidence interval. *Studies with extrapulmonary tuberculosis cases from the same study. 1 = AfroAmerican; 2 and 3 = American population from the same study 
