Metabolic health, independent of body mass index, is associated with mortality risk in type 1 diabetes.

Aims/introductionAlthough a low body mass index (BMI) is traditionally associated with high mortality in type 1 diabetes (T1D), the increasing prevalence of obesity and its association with mortality warrant further research.Materials and methodsUsing a nationwide Korean database from 2002 to 2018, we classified patients with T1D into six categories based on metabolic health and BMI (≥25, 18.5-25, and