Furthermore, the increased ALT levels for a greater risk of incident MetS in the 2005 Korean National Health and Nutrition Examination Survey were defined as ≥27 U/L in men (Q4) and ≥15 U/L in women (Q3 and Q4) in their population with a mean age of 45 years [47], which were also lower than the increased ALT levels defined by the Prati et al. [44]. The gene discussed is GPT; the disease is metabolic syndrome.