INS and type 2 diabetes mellitus: For example, the UK Hypoglycemia Study Group reported severe hypoglycemia rates in patients with type 2 diabetes on insulin >2 years (10 episodes per 100 patient-year) to be far less than in patients with type 1 diabetes (<5 years disease duration, 110 episodes per 100 patient-year; >15 years disease duration, 320 episodes per 100 patient-year) [33].