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. 2023 Jun 24;31(10):4390–4398. doi: 10.1007/s00167-023-07492-y

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© The Author(s) 2023

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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Fig. 3 — Proportion of quadriceps strength recovery groups according to the number of cut-off values met. The cut-off values were as follows: age > 22.5 years, sex; female, body mass index > 24.3 kg/m², preinjury sport level; no sport, and limb symmetry index of preoperative quadriceps strength < 63.3%. The percentage of patients included in the nonrecovery group significantly increased as the number of cut-off values met increased