GSTM1 and pulmonary hypertension: 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).