Study design and patients
T2DM
This cross-sectional study had approval from the Medical Ethics Committee, ShenZhen Hospital, Southern Medical University (NYSZYYEC20200030). Totally 948 T2DM patients admitted to the Department of Endocrinology, Shenzhen Hospital, Southern Medical University in April-August 2022 were enrolled. T2DM diagnosis was based on the 1999 WHO diagnostic criteria (