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. 2022 May 24;12:8784. doi: 10.1038/s41598-022-12699-z

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© The Author(s) 2022

Open Access This 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/.

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Forest plots for the six presented Cox-PH models, demonstrating the association between each of the covariates and survival. In this plot, x-axis presents hazard ratios (HR) for the covariates in each model (the value of HR and confidence intervals for the covariates are provided on the plot as well).