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. 2020 Sep 16;11:912. doi: 10.3389/fgene.2020.00912

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Copyright © 2020 Pei, Li, Su, Zhang, He, Tao, Wang, Yuan and Li.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Validation of the prognostic risk model in breast cancer (BRCA) patients. (A,B) Kaplan–Meier survival analysis of overall survival (OS) in the high-risk (red) and low-risk (blue) patients with BRCA in the training set. The colors of each survival line indicate the 95% CI of probability of survival at each time point (A) and testing set (B). Log-rank test, p < 0.05. (C,D) The receiver operating characteristic (ROC) curve shows the area under the ROC curve (AUC) value of the risk model in the training set (C) and testing set (D). (E,F) Nomograms of the risk-score model in the training set (E) and testing set (F).