KLRB1 and systemic lupus erythematosus: Of these, the AUC values of KLRF1 (AUC=0.868), GZMK (AUC=0.700), KLRB1 (AUC=0.902), CD40LG (AUC= 0.822), KLRB1 (AUC=0.902), CD40LG (AUC=0.782), and IL7R (AUC=0.782) in the SLE-GSE72326 dataset were all greater than 0.7 (Figure 4F).