TNF and metabolic syndrome: Table 10 indicates the proposed cut-off points of serum markers as risk levels for presenting metabolic syndrome in children (leptin: 8.3665 ng/mL, adiponectin: 9.87 μg/mL, GGT: 17.8 U/L, IL-6: 2.77 pg/mL, and TNF-α: 6.68 pg/mL), according to Youden’s index.