GPT and atrial fibrillation: There was no significant difference between HTN and HTN-AF patients in terms of body mass index (BMI), serum creatinine (sCr), triglyceride (TG), low-density lipoprotein (LDL), alanine aminotransferase (ALT), and fasting blood glucose (FBG), except for total cholesterol (TC), diabetes mellitus (DM), male gender and age.