About the sections of the DKS questionnaire, the percentage of correct answers of each theme was respectively 50% for the item “generalities of diabetes”, 32.4% for the item “hypoglycemia and hyperglycemia”, 67.72% for the item “diet”, 37.34% for the item “management of insulin treatment” and 44.97% for the item “SMBG” (Table 1). The gene discussed is INS; the disease is diabetes mellitus.