The severity of T2DM, measured by the type of treatment used, differed by statin exposure status: six months after T2DM diagnosis 41,210 patients (21.40% users vs. 39.95% non users) were being prescribed oral anti-diabetic drugs (OAD) and 4,439 patients (0.25% users and 4.55% non users) were being prescribed a combination of OAD and insulin. The gene discussed is INS; the disease is type 2 diabetes mellitus.