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. 2020 Nov 12;18:298. doi: 10.1186/s12957-020-02071-8

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© The Author(s) 2020

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. 2 — Results of the 6MWT in the two groups. Comparison of 6MWT between the two groups. a The decline rate of 6MWT in the two groups at different time points. Compared with GA group, TP group had a lower decline rate of 6MWT on the POD1 and POD2. b The absolute value of 6MWT at different time points between the two groups. The 6MWT distance on the POD1 and POD2 was significantly greater in the TP group than that GA group. c The completion rate of 6MWT between the two groups. The completion rate on POD1 was higher in the TP group than the GA group. *p < 0.05, compared with the GA group