Patients with DM were regrouped according to LDL/ApoB ratio as follows: LDL/ApoB < 1.2 (S-LDL group), n = 87 (56 men [S-LDL-M] and 31 women [S-LDL-F]) and LDL/ApoB > 1.2 (L-LDL group), n = 42 (27 men [L-LDL-M] and 15 women [L-LDL-F]). This evidence concerns the gene APOB and diabetes mellitus.