In the psoriasis dataset (GSE13355), the AUC values for KIF4A (AUC = 0.99), DLGAP5 (AUC = 1), NCAPG (AUC = 0.99), CCNB1 (AUC = 0.99), and CEP55 (AUC = 0.99) exhibited exceptional diagnostic performance, with all values exceeding 0.7 (Figure 7A). The gene discussed is CCNB1; the disease is psoriasis.