Figure 5. Co-expression analysis and enrichment analysis. (A) Univariate Cox regression analysis of characteristic genes. (B) Correlation of GPT ex pression with other genes. (C) Heatmap showing the 50 genes with the strongest positive correlation with GPT expression. (D) Heatmap showing the 50 genes most negatively correlated with GPT expression. (E) GO analysis. (F) KEGG analysis.