Univariate Cox regression analysis showed that treatment, systolic pressure, diastolic pressure, neurological disorders, WBC counts, RBC counts, Hb, PLT, ANCAs, dsDNA, C3, C4, ESR, CRP, Glu, urea, CREA, UA, TG, T-CHO, 24 h TP, class of LN, CI, endocapillary hypercellularity, and crescent formation were risk factors for LN patient survival. The gene discussed is CRP; the disease is nervous system disorder.