Out of that direct cost, 35.35% consisted of cost of insulin; 6.45% consisted of cost of syringes; 9.29% consisted of cost of reagent strips; 0.12% consisted of cost of glucose meters; 1.50% consisted of cost of oral drugs; 18.24% consisted of cost of outpatient consultations; 14.16% consisted of cost of hospitalization; 9.66% consisted of cost of diabetes-related diagnostic tests; and 5.22% for health care costs borne by households (patients and their family members) in search of diabetes treatment. This evidence concerns the gene INS and diabetes mellitus.