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. 2021 Feb 1;58(3):371–387. doi: 10.3892/ijo.2021.5180

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Copyright: © Liu et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Nomogram development and internal validation. (A) Nomogram construction to estimate the probability of 1-, 3- and 5-years OS for PCNSL. (B) Calibration plot of the nomogram for predicting the probability of OS at 1, 3 and 5 years. (C) Time-dependent ROC curve analysis confirmed that the nomogram had the best performance. Images taken from the study by Deng et al (136). AUC, area under the curve; OS, overall survival; PCNSL, primary central nervous system lymphoma; ROC, receiver operating characteristic.