Table 1 shows the results of multivariate analysis, in which MYCNOS, AL161772.1, USP30-AS1, ZNF32-AS2, AC068733.3, AC012236.1, AC015802.5, KIAA1671-AS1 and AC013403.2 are the prognostic protective lncRNAs in ovarian cancer lncRNA (HR<1), while MIR223HG, KRT7-AS, PTPRD-AS1 and LINC01094 are the prognostic risk lncRNAs in ovarian cancer (HR>1). The gene discussed is MIR223HG; the disease is ovarian cancer.