Fig. 4

Construction and assessment of risk score model. A The 11 prognostic TFDEGs extracted by univariate Cox regression analysis and represented by a forest plot; B the tenfold cross-validation for variable selection in the LASSO model; C the LASSO coefficient profile of 11 TFDEGs; D receiver operating characteristic (ROC) curve suggesting the predictive precision of the risk score model; risk plot distribution, survival status of patients, and heat map including 9 TFDEGs in E TCGA-BRCA and F GSE20685; Kaplan–Meier (KM) survival curves of overall survival (OS) for patients between low-risk and high-risk groups in G TCGA-BRCA and H GSE20685