A Univariate analysis for the TCGA cohort (grade: the degree of tumour differentiation, G1 to G3). B Multivariate analysis for the TCGA cohort. C Univariate analysis for the GEO cohort (FIGO stage: I to IV). D Multivariate analysis for the GEO cohort. E Heatmap (green: low expression; red: high expression) for the connections between clinicopathologic features and the risk groups (*P < 0.05).