RARRES2 and type 2 diabetes mellitus: The mean levels of chem157S and chem156F, the active chemerin forms, were 24.4 ± 2.5 ng/mL in IR participants, 20.4 ± 2.3 ng/mL in T2D participants, 16.7 ± 2.0 ng/mL (p = 0.0204) in IM participants, and 16.9 ± 2.3 ng/mL (p = 0.0322) in IS participants.