After adjusted for the factor of age, male, gender, hypertension, smoking, AF, presence of current CAD, creatinine, hemoglobin (Hb), LAD, LVEDD, LVEF and IVS, LVA was also positively correlated with the level of hs-cTNT and NT-proBNP (hs-cTNT adjusted r = 0.143, P = 0.033; NT-proBNP adjusted r = 0.370, P < 0.001). The gene discussed is GSTM1; the disease is atrial fibrillation.