PCSK9 and type 2 diabetes mellitus: Serum PCSK9 was higher in females (median: 271.3 ng/mL [interquartile range: 221.9–317.8 ng/mL] vs. 246.9 ng/mL [interquartile range: 204.2– 298.8 ng/mL], p = 0.001), and this difference was particularly evident in those carrying at least one T2DM complication.