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. 2022 Aug 30;13:5104. doi: 10.1038/s41467-022-32507-6

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© The Author(s) 2022, corrected publication 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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — HGS hand grip strength; PCS/non-ME/CFS post-COVID-19 syndrome/non-myalgic encephalomyelitis/chronic fatigue syndrome; PCS/ME/CFS post-COVID-19 syndrome/myalgic encephalomyelitis/chronic fatigue syndrome; non-COVID ME/CFS non-COVID-19 myalgic encephalomyelitis/chronic fatigue syndrome. HGS was assessed in PCS cohorts (PCS/non-ME/CFS n = 13, PCS/ME/CFS n = 14 for Fmax1 and Fmean1, n = 13 for Fmax2 and Fmean2) and non-COVID-ME/CFS (n = 13). Fmax1 and Fmean1 of ten pulls in female patients and repeat assessment after 60 min (Fmax2 and Fmean2 of ten pulls) are shown (median and IQR (interquartile range)). Cut-off values of AUC reference values for age-matched healthy females are displayed as dashed lines: <40 years black dots and narrower dashed lines; >40 years white dots and wider dashed lines. Data were analyzed with nonparametric all-pairs Dunn-type multiple contrast tests. The p values were adjusted for multiplicity across endpoints with the Benjamini-Hochberg (BH) correction. Source data are provided as a Source Data file.