RBP4 and coronary artery disorder: The patients with CHD were further divided into the control group (CG) (n = 42, with routine treatment) and the study group (SG) (n = 78, with routine treatment and rosuvastatin) to measure serum RBP4, hs-CRP, and IL-27 levels and analyze the correlation between each index and rosuvastatin in the treatment of CHD.