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. 2022 Oct 21;12:17651. doi: 10.1038/s41598-022-22483-8

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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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Kaplan–Meier analysis for the 2-year survival rate or probability of avoidance of the rehospitalization within 2 years after initiating dialysis. Composite outcomes of the survival rate or probability of avoidance of the rehospitalization (A) and survival rate (B) during 2 years from initiation of dialysis were significantly lower in the CFS ≥ 5 group than in the CFS < 5 group (p < 0.01, both).