Regarding diabetes treatment previous to stroke, 186 (54.9%) patients were taking oral antidiabetics [88/162 women (54.3%), and 98/177 (55.4%) men, p = 0.847; and 75 (22.1%) were under insulin treatment, 39/162 women (24.1%) and 36/177 men (20.3%), p = 0.408]. This evidence concerns the gene INS and diabetes mellitus.