With ROC curve analysis, however, the AUC of MEG3, ANRIL, and lnc-MGC for the identification of lupus nephritis was only 0.559 (p = 0.7), 0.710 (p = 0.14), and 0.597 (p = 0.5), respectively. The gene discussed is CDKN2B-AS1; the disease is lupus nephritis.