Fig. 1. Flowchart showing the selection and categorization of study subjects.

KNHANES = Korean National Health and Nutrition Examination Survey, BMI = body mass index, HbA1c = glycated hemoglobin, OHA = oral hypoglycemic agent, SBP = systolic blood pressure, DBP = diastolic blood pressure, TG = triglyceride, HDL-C = high-density lipoprotein-cholesterol, MHNW = metabolically healthy normal weight, MHO = metabolically healthy obese, MUNW = metabolically unhealthy normal weight, MUO = metabolically unhealthy obese.

^aData from health interview, health examination and nutritional survey; ^bSubjects who did not meet the inclusion and exclusion criteria were not eliminated. Individuals who met all the inclusion and exclusion criteria were regarded as the analysis group.