Figure 6. Establishment and validation of CAFs risk model in STAD through a combination of 10 machine learning approaches. (A) A c-index ranking map of 10 machine learning combinatorial models. (B) Kaplan-Meier survival analysis of risk models for CAFs in the TCGA_STAD cohort. (C) Time-dependent ROC curves for the TCGA_STAD cohort CAFs risk model. (D) Kaplan-Meier survival analysis of risk models for CAFs in the GSE15459 cohort. (E) Time-dependent ROC curves for the GSE15459 cohort CAFs risk model.