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. 2022 Jun 24;61(8):3887–3903. doi: 10.1007/s00394-022-02928-6

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© The Author(s) 2022

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/.

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Fig. 4 — Plots illustrating bacteria diversity in the study group: α-diversity showing Shannon (a) richness and inverse Simpson index (b); β-diversity showing PCoA plots (centroids marked with diamonds) of Bray–Curtis (c, e) and weighted Unifrac (d, f) distances on the ASV level. The results of statistical analysis have been shown on each plot (Mann–Whitney U-test for a and b, and PERMANOVA for c, d, e and f). Plots c and d show associations with the DP groups, whereas plots e and f show associations with diet quality, as measured by HEI