Fig. 2From: Connection of pre-competition anxiety with gut microbiota and metabolites in wrestlers with varying sports performances based on brain-gut axis theoryDiversity indices (α and β) of gut microbial species in the two groups (n = 6). (A1) ACE index of Alpha diversity. (A2) shannon index of alpha diversity. (B) venn diagram of the α diversity distribution of OTUs. (C) PCoA graph of microbial beta diversityBack to article page