PCSK9 and type 2 diabetes mellitus: Furthermore, in analysis of our data published recently [3], all 1225 patients with stable CAD were further divided into three subgroups according to diabetic status (T2DM: n = 377, pre-DM: n = 489, NGR: n = 359) and an ascending increment of baseline levels of PCSK9 were observed [T2DM vs. pre-DM vs. NGR: 246.51 (199.43, 292.22) vs. 238.88 (198.53, 275.65) vs. 225.31 (185.95, 263.36) ng/mL, Fig. 1].