Figure 2. Evaluate whether IRGP signature is an independent prognostic factor. (A) Forest plot of univariate Cox regression results of IRPG signature and clinical characteristics of TCGA cohort. (B) Forest plot of univariate Cox regression results of IRPG signature and clinical characteristics of GSE21257 cohort. (C) Forest plot of multivariate Cox regression results of IRPG signature and clinical characteristics of TCGA cohort. (D) Forest plot of multivariate Cox regression results of IRPG signature and clinical characteristics of GSE21257 cohort. (E) Forest plots of the associations between IRGP and overall survival in various subgroups.