GPT and type 2 diabetes mellitus: The variables entered into univariate and multivariate analyses included age, gender, BMI, T2DM, HT, DLP, smoking, serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), serum albumin, platelet count, estimated glomerular filtration rate (eGFR) liver steatosis, and liver fibrosis, as well as biomarkers associated with gut dysbiosis, including fecal BCoAT, plasma I-FABP, LBP, choline, betaine and TMAO.