NPPB and chronic obstructive pulmonary disease: With respect to the patient baseline parameters, significant differences wereobserved between the non-POAF group and POAF groups for age, male sex, theprevalence of hypertension, chronic obstructive pulmonary disease (COPD), stroke,hyperlipidemia, prior cardiac surgery, the rate of on-pump CABG, postoperativeanticoagulation and the level of the operation time, LAD, LVEF, left ventricularend-diastolic dimension (LVEDD), triglyceride (TG), total cholesterol (TC), Cr,CK-MB, TnI, K+, Ca2+, Mg2+, and BNP (all p < 0.05) (asshown in Supplementary Table 1).