RETN and type 2 diabetes mellitus: T2DM: type 2 diabetes mellitus; MASLD: metabolic dysfunction-associated steatotic liver disease; BMI: body mass index; HC: hip circumference; WC: waist circumference; WHR: waist-to-hip ratio; WHtR: waist-to-height ratio; HbA1c: glycated hemoglobin; TG: triglycerides; HDL-C: high-density lipoprotein cholesterol; SAP: systolic arterial blood pressure; DAP: diastolic arterial blood pressure; A/R: adiponectin/resistin