Fig. 2From: Altered fecal microbiome and metabolome in adult patients with non-cystic fibrosis bronchiectasisDecreased fecal microbial diversity in patients with bronchiectasis. a Venn diagram displaying the identified OTUs in three groups. α diversity estimated by Chao1 index (b) and observed species index (c). d β diversity calculated among the three groups using the unweighted UniFrac by PCoA. *P < 0.05, **P < 0.01, ***P < 0.001Back to article page