APOM and type 2 diabetes mellitus: However, the plasma apoM concentrations were lower in the T2DM without hyperlipidaemia group (18.54 ± 10.33 ng/μL) and T2DM with hyperlipidaemia group (19.83 ± 7.41 ng/μL) compared with those in the healthy control group (22.61 ± 10.81 ng/μL; P <0.01, Fig. 1b; P <0.05; Fig. 1c, respectively).