Results: We identified 115 COVID-19 patients with T2DM, of whom 41 were on metformin, 35 patients were on insulin, and 39 patients were on other oral antihyperglycemic agents; the average age of patients was 65.5±13.2 years, and 52.2% were male. The gene discussed is INS; the disease is type 2 diabetes mellitus.