Underweight and Mortality in Type 2 Diabetes: A Nationwide Retrospective Cohort Study.

ABSTRACT:

Background

Being underweight is an underrecognized risk factor for mortality among individuals with type 2 diabetes (T2D). This study aimed to evaluate the associations of underweight status with mortality among individuals with T2D.

Methods

This nationwide, retrospective, population-based cohort study used data from the Korean National Health Insurance Service. We included 1 788 996 adults with T2D who underwent baseline screening between 1 January 2015 and 31 December 2016, with follow-up through December 31, 2022. Underweight was defined as body mass index (BMI) < 18.5 kg/m² and further categorized as mild (17.0-18.4 kg/m²), moderate (16.0-16.9 kg/m²), and severe (< 160 kg/m²). The primary outcome was all-cause mortality analyse

SUBMITTER: Choe HJ 

PROVIDER: S-EPMC12680783 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature