Fig. 1From: Microbial and metabolomic profiles in correlation with depression and anxiety co-morbidities in diarrhoea-predominant IBS patientsMicrobial structures of IBS-D patients and HCs. a-c Simpson, Ace and Chao index of IBS-D and HC groups. Welch’s test. Means ± SD. d PCoA and (e) hierarchical clustering of fecal microbiota composition in IBS-D and HC groups based on bray-curtis distance. * P < 0.05Back to article page