Age, sex, educational level, race, BMI, smoking status, alcohol consumption, history of dyslipidemia, diabetes, hypertension, and levels of HbA1c, alanine aminotransferase (ALT), aspartate aminotransferase (AST), sodium, potassium, creatinine, total cholesterol, and high-density lipoprotein cholesterol (HDL-C). This evidence concerns the gene GPT and metabolic syndrome.