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Figure 4. Classification of visceral obesity based on BMI (A) and the EASO obesity criteria (B). (A) Normal weight, BMI < 25 kg/m²; overweight, 25 kg/m² ≤ BMI < 30 kg/m²; and obesity, BMI ≥ 30 kg/m²; (B) Normal weight, BMI < 25 kg/m²; overweight, 25 kg/m² ≤ BMI < 30 kg/m² and WHtR < 0.5 or 25 kg/m² ≤ BMI < 30 kg/m² and WHtR ≥ 0.5 with absence of any obesity-related metabolic diseases (diabetes mellitus, type 2 diabetes mellitus, dyslipidaemia, hypertension, coronary atherosclerotic heart disease, and non-alcoholic fatty liver Disease); obesity, BMI ≥ 25 kg/m² and WHtR ≥ 0.5 and the presence of any obesity-related metabolic diseases or BMI ≥ 30 kg/m² and the absence or presence of any obesity-related metabolic diseases. BMI: Body mass index; EASO: European Association for the Study of Obesity; WHtR: waist-to-height ratio; VFA: visceral fat area.