Fig. 1

Flowchart of study participant selection. Of the 23,692 participants, male participants (n = 10,690), participants younger than 39 years (n = 5,347), participants older than 65 years (n = 2,767), participants with missing data (n = 734), participants diagnosed with type 1 diabetes (n = 1), and participants with unclear menopausal status (n = 90) were excluded