Genotype frequency of the CETP TaqIB polymorphism was as follows: 18.9% for B1B1, 61.1% for B1B2 and 20% for B2B2 in patients with diabetes; 13.7% for B1B1, 64.4% for B1B2 and 21.9% for B2B2 in healthy people. This evidence concerns the gene CETP and diabetes mellitus.