APOB and type 2 diabetes mellitus: This study aimed to examine the association between whole blood copper concentration and glycemic control in patients with type 2 diabetes mellitus (T2DM), and to assess whether apoB levels influence this association.<h4>Methods</h4>A total of 117 patients with T2DM (mean age 55.15 ± 10.70 years; 62.4% male) were included.