Gracia-Ramos et al., in a prospective, open-label randomized study of 76 hospitalized type 2 diabetes patients with admission glucose levels below 400 mg/dL and outpatient insulin doses below 0.5 IU/kg, divided patients into two groups: basal plus correction (BP) and basal plus correction with sitagliptin (s-BP). Here, INS is linked to type 2 diabetes mellitus.