Association of glycated hemoglobin levels with 3-year mortality in hospitalized older adults with diabetes: The role of frailty

BACKGROUND Tight glycemic control in older adults with type 2 diabetes mellitus (T2DM) has been associated with increased risk of hypoglycemia, functional decline, and mortality, particularly in frail individuals. However, real-world glycemic patterns and their prognostic implications across different frailty and multimorbidity states remain unclear. AIM To evaluate glycemic control at admission in very old adults with T2DM according to frailty and comorbidity burden, and to investigate the asso