CYP27A1 and psoriasis: The ROC curves showed that APOE, CYP27A1, and SOAT1 had high AUC percentages in the GSE74481 dataset (reaching 99.2%, 91.5%, and 85.1%, respectively) and low AUC percentages in the psoriasis integrated dataset (reaching 15.0%, 15.0%, and 29.2%, respectively) (Fig. 4C and G).