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. 2021 Dec 24;12:793854. doi: 10.3389/fmicb.2021.793854

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Copyright © 2021 Chen, Xing, Pan and Gao.

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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PCA and PCOA analyses of intestinal microbiota. The X and Y axes represent two selected principal component axes. Percentage represents the degree of explanation of the principal component to the difference in sample composition. The scales on the X and Y axes are relative distances. The closer the two sample points, the more similar the species composition of the two samples. The boxplot represents the distribution dispersion of the three groups of samples on the PC1 axis. (A) PCA. (B) PCOA. Z, control group. G, NAFLD group. T, 919TJ group.