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. 2021 Jan 5;10:577485. doi: 10.3389/fcimb.2020.577485

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Copyright © 2021 Emery, Cerajewska, Seong, Davies, Paterson, Allen-Birt and West

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Multivariate analyses of blood bacterial populations. (A) UPGMA of unweighted UniFrac distances showing percentage composition at the phylum level with three possible clusters suggested by brackets. (B). PCoA of unweighted UniFrac distances with healthy samples shown in green and periodontitis samples in red and possible clusters (SG1, SG2, and SG3) suggested by UPGMA indicated (for descriptive purposes only) with dashed outlines. (C) NMDS analysis showing possible partial partitioning according to health and periodontitis.