N: number of subjects; BMI: body mass index; WHR: waist-to-hip ratio; NC: neck circumference; TC: total cholesterol; TG: triglycerides; HDL-C: high-density lipoprotein cholesterol; LDL-C: low-density lipoprotein cholesterol; VLDL: very low-density lipoprotein; SBP: systolic blood pressure; DBP: diastolic blood pressure; TNF-α: tumor necrosis factor-alpha; Met S: metabolic syndrome. This evidence concerns the gene TNF and metabolic syndrome.