As shown in Table 3, univariate logistic regression analysis indicated that age, smoking, asthma, heart failure, hypertension, cerebrovascular disease, coronary artery disease, malignancy, pulmonary hypertension, BMI, Hb, RBC, PLT, ALB, BUN, Cr, UA, TC, LDL-C, LVEF, SIRI were all significantly associated with AF (p < 0.05). The gene discussed is ALB; the disease is pulmonary hypertension.