OR: odds ratio; CI: confidence interval; BMI: body mass index; WC: waist circumference; PASI: Psoriasis Area and Severity Index; FBS: fasting blood sugar; ALT: alanine aminotransferase; AST: aspartate aminotransferase; LDL: low-density lipoprotein; HDL: high-density lipoprotein. This evidence concerns the gene GPT and psoriasis.