Figure 4. Identification of gene subgroups based on DEGs. (A) GO and KEGG pathway enrichment analyses of DEGs among the three AAG clusters. (B) Cluster diagram of clinical characteristics between the two gene clusters. Overall survival (C) and event-free survival (D) analyses of patients stratified according to gene cluster analysis using Kaplan–Meier curves. (E) Differences in the expression of AAGs between the two gene clusters (*P < 0.05; **P < 0.01; ***P < 0.001).