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Background  Cardiovascular diseases (CVD) are the main cause of death and disability in developed countries. In most cases, the progress of CVD is influenced by environmental factors and multifactorial inheritance. The purpose of this study was to investigate the association between  APOE  genotypes, cardiovascular risk factors, and a non-invasive measure of arterial stiffness in the Brazilian population.    Methods  A total of 1493 urban Brazilian individuals were randomly selected from the general population of the Vitoria City Metropolitan area. Genetic analysis of the  APOE  polymorphism was conducted by PCR-RFLP and pulse wave velocity analyzed with a noninvasive automatic device.    Results  Age, gender, body mass index, triglycerides, creatinine, uric acid, blood glucose, blood pressure phenotypes were no different between ε2, ε3 and ε4 alleles. The ε4 allele was associated with higher total-cholesterol (p < 0.001), LDL-C (p < 0.001), total-cholesterol/HDL-C ratio (p < 0.001), LDL/HDL-C ratio (p < 0.001), lower HDL-C values (p < 0.001) and higher risk to obesity (OR = 1.358, 95% CI = 1.019-1.811) and hyperuricemia (OR = 1.748, 95% CI = 1.170-2.611). Nevertheless, pulse wave velocity (p = 0.66) measures were no different between genotypes. The significant association between APOE genotypes and lipid levels persisted after a 5-year follow-up interval, but no interaction between time and genotype was observed for lipids longitudinal behavior.    Conclusion  The ε4 allele of the  APOE  gene is associated with a worse lipid profile in the Brazilian urban population. In our relatively young sample, the observed effect of  APOE  genotype on lipid levels was not translated into significant effects in arterial wall stiffness.

APOE polymorphism is associated with lipid profile, but not with arterial stiffness in the general population