Model 1 and Model 4: unadjusted; Model 2 and Model 5: adjusted for gender, age smoking, drinking, and BMI; Model 3 and Model 6: adjusted for gender, age, smoking, drinking, BMI, hypertension, arrhythmia, CHD, cerebral infarction, hyperuricemia, NYHA classification, drugs for the treatment of DM, NTHF, Statins, DDM, HbA1c, BNP, and EF. Here, NPPB is linked to cardiac arrhythmia.