The odds of vascular complications increased with age (18–39 years: 1; 40–59 years: 6.54, 4.31–9.92; and ≥60 years: 15.98, 10.30–24.81); were higher in single, divorced, or widowed patients than in married patients (1.48, 1.12–1.96), patients having T2DM for >10 years compared to ≤1 year (2.75, 1.81–4.17), patients on lifestyle modification + oral antidiabetic drug (OAD) + insulin compared to lifestyle modification alone (1.54, 1.15–2.06), and patients with hypertension (1.50, 1.25–1.81); and were lower in women than in men (0.65, 0.54–0.79). The gene discussed is INS; the disease is type 2 diabetes mellitus.