INS and type 2 diabetes mellitus: To our knowledge, Lina-Real-World Study is the first real-world clinical practice report addressing the efficacy and safety of the use of the linagliptin-basal insulin regimen in hospitalized patients with T2D with regards to glycaemic control, hyperglycaemic events, total dose of insulin and number of injections per day, treatment failures, length of hospital stay, presence of hypoglycaemia, complications and mortality.