Figure 6. (A, B) The LASSO regression analysis identified 17 DEGs mostly related to prognosis. (C–E) The 1-, 3-, and 5-year ROC analyses in the whole TCGA-BRCA cohort, TCGA-BRCA training cohort, and TCGA-BRCA test cohort. (F–H) K-M curves of OS for low- and high-risk breast cancers in the whole TCGA-BRCA cohort, the TCGA-BRCA training cohort, and TCGA-BRCA test cohort. Abbreviations: LASSO: least absolute shrinkage and selection operator; DEGs: differentially expressed genes; K-M: Kaplan-Meier; TCGA-BRCA: The Cancer Genome Atlas Breast Invasive Carcinoma; ROC: receiver operating characteristic.