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. 2021 Oct 30;21:1165. doi: 10.1186/s12885-021-08827-z

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 4 — Kaplan-Meier analysis of the association of the 25-lncRNA risk signature with early recurrence risk in HCCs. A-C) The association of the 25-lncRNA risk signature with 2-year DFS was analyzed in the training cohort (N = 150, P < 0.0001) (A), validation cohort (N = 149, P = 0.0132) (B), and the entire TCGA cohort (N = 299, P < 0.0001) (C). The statistical significance was determined by the log-rank test. The patients in each cohort were stratified into the high-risk and low risk groups based on the cut-off risk score in the training cohort