Combination of Chinese and Western Medicine Optimizes the Intestinal Microbiota of Exacerbated Chronic Obstructive Pulmonary Disease in Rats

Figure 3

Alpha diversity index distribution in each group. (a) Observed species richness. (b) Shannon index. (c) Simpson index. (d) Faith’s phylogenetic diversity index. (e) Pielou’s evenness index. The abscissa indicates each group, and the ordinate indicates the index value. The data expressed by means ± SD, n = 5, one-way ANOVA. (f) Rarefaction curve. The abscissa indicates the draw depth, and the ordinate indicates the median of the chao1 index calculated 10 times, and the curve is flat, indicating that the sequencing results are sufficient to reflect the diversity contained in the current sample. (g) Rank abundance curve. The abscissa sorts the abundance size, the ordinate indicates the values of each ASV in this group converted by Log2, and the flatter the line, the smaller the abundance difference between the ASVs in the community.

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