Of the 19 variables previously identified (Supplemental Table S3), 12 were included in the final steatosis phenomic classifier including glucose, serum insulin, triglycerides, HDL, ALT, ferritin, creatinine, chloride, zinc, use of metformin, use of estrogen/progestin, and a clinical diagnosis of sleep apnea. This evidence concerns the gene GPT and Sleep apnea.