Figure 1.

Cumulative ORs: Folate, cHDL and MTHFR C677T genotype. Cumulative effect of risk factors in homocystein prevalence. HDL: High Density Lipoproteins. MTHFR: methylenetetrahydrofolate reductase. C: Cytosine; T: Thymine; CC: normal genotype; CT: partial mutation; TT: mutation in homozygosis.