RBP4 and metabolic dysfunction-associated steatotic liver disease: NAFLD, nonalcoholic fatty liver disease; SBP, systolic blood pressure; DBP, diastolic blood pressure; BMI, body mass index; ALT, alanine aminotransferase; AST, aspartate aminotransferase; GGT, gamma-glutamyltransferase; WBC, white blood cell; HGB, hemoglobin; TG, triglyceride; Tch, total cholesterol; HDL-C, high-density lipoprotein cholesterol; RBP, retinol-binding protein; M, male; F, female