Differences in Gut Microbiota between Healthy Individuals and Patients with Perianal Abscess before and after Surgery

Figure 3

(a) Alpha diversity of gut microbiota diversity estimated by (a) Chao1 index, (b) Shannon index, (c) Simpson index, and (d) observed species index. The values of the overall differences among the groups were obtained using the Kruskal-Wallis nonparametric test, and the significance level of the differences was obtained using Dunn’s test after pairwise comparison between the groups (, , ), and ).

(a)

(b)

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(d)