Summary estimates for the odds ratio (OR) of MTHFR C677T in various allele/genotype contrasts, the significance level (p value) of heterogeneity test (Q test), the I² metric and publication bias p-value (Egger Test) in total studies, Asian, American and European studies.

<p>Summary estimates for the odds ratio (OR) of MTHFR C677T in various allele/genotype contrasts, the significance level (p value) of heterogeneity test (Q test), the I² metric and publication bias p-value (Egger Test) in total studies, Asian, American and European studies.