GPT and diabetes mellitus: in the training group, a univariate analysis of the basic clinical parameters between the case and control groups showed a significant age difference (P < 0.001), gender (P < 0.001), smoking habits (P < 0.001), hypertension (P < 0.05), diabetes (P < 0.001), PLT (P < 0.001), hemoglobin (P < 0.05), alanine aminotransferase (ALT) (P < 0.05), HDL-C (P < 0.001), LDL-C (P < 0.001), NT-proBNP (P < 0.001), ejection fraction (P < 0.001), and left ventricular end-diastolic volume (LEVD) (P < 0.001).