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. 2021 Dec 17;12:785839. doi: 10.3389/fgene.2021.785839

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Copyright © 2021 Jiang, Song, Zhong, Gao and Meng.

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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PFLS was an independent prognosis factor in HNSCC. (A) Nomogram composed of age, gender, stage, and risk score for the prediction of 1-, 3-, and 5-years OS probability. (B) Calibration for assessing the consistency between the predicted and the actual OS at 1, 3, and 5 years. (C) ROC curves at one, three, and five years were applied to verify the prognostic performance of the PFLS in the TCGA training set. D-E. The Kaplan–Meier curve of HNSCC cancer samples stratified by the risk group with the log-rank test p-value provided in (D) TCGA test set and (E) GSE65858.