Figure 9. Establishment and assessment of the nomogram survival model. (A) Univariate analysis for the clinicopathologic characteristics and the risk score in TCGA cohort. (B) Multivariate analysis for the clinicopathologic characteristics and the risk score in TCGA cohort. (C) A nomogram was established to predict the prognosis of breast cancer patients. (D) Time-dependent ROC curve analysis of the nomogram (1, 2, 3, and 5 years) in TCGA cohort. (E) Calibration plots showing the probability in TCGA cohort. The asterisks represent the statistical P-value (*p < 0.05; **p < 0.01; ***p < 0.001; ****p < 0.0001).