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. 2021 Apr 29;11:672928. doi: 10.3389/fonc.2021.672928

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Copyright © 2021 Cai, Yuan, Zhu, Yang, Tang, Cong and Ma

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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Construction of the risk score system and establishment and validation of the nomogram survival model. (A, B) LASSO Cox regression analysis of training dataset. (C, D) Kaplan-Meier overall survival (OS) curves for samples in high- and low-risk score groups (C for training dataset and D for validation dataset). (E) Uni- and multi-variate Cox regression analysis for prognostic model. *Statistical significance. (F) The nomogram for predicting 1-, 3‐, or 5‐year OS. (G, H) Time-dependent ROC curves of the nomogram prediction on the 1-, 3-, and 5-year survival rates (G for training dataset and H for validation dataset). (I, J) Time-dependent ROC curves of the IDH mutation status prediction on the 1-, 3-, and 5-year survival rates (I for training dataset and J for validation dataset).