Alterations in the intestinal microbiome and mental health status of workers in an underground tunnel environment.

BMC Microbiol · 2021 · PMC7788853 · PMID 33407119

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showed a trendno p-value reported

Gut microbial diversity, which was estimated using the Shannon (t = 3.375, P = 0.001) and Simpson (t = 2.757, P = 0.008) indices, was significantly lower at ES compared to that at BS; however, Chao1 (t = 1.946, P > 0.05) and Ace (t = 1.898, P > 0.05) indices used to estimate richness showed a trend similar to that of the Shannon and Simpson indices but without statistical significance.

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