Fig. 1

Flowchart of the population screening procedure. Abbreviations: HbA1c, hemoglobin A1c; HDL-C, high-density lipoprotein cholesterol; CHARLS, China Health and Retirement Longitudinal Study; DM, diabetes mellitus; BMI, body mass index
Flowchart of the population screening procedure. Abbreviations: HbA1c, hemoglobin A1c; HDL-C, high-density lipoprotein cholesterol; CHARLS, China Health and Retirement Longitudinal Study; DM, diabetes mellitus; BMI, body mass index