CLBBB: complete left bundle branch block group, Non-CLBBB: non complete left bundle branch block group; BMI: body mass index, AF: atrial fibrillation, ALT: alanine transaminase, Cr: creatinine, LAD: left atrial diameter, LVEF: left ventricular ejection fraction, LVEDD: left ventricular end-diastolic diameter, COPD: chronic obstructive pulmonary disease.