Fig. 3

Comparisons of the relative abundance of abundant bacterial taxa in the fecal microbiota between depressed adolescents and healthy controls. (A) Key differential functional phyla. (B) Key differential functional families. (C) Key differential functional genera. The data are presented as the mean ± standard deviation. Data were analyzed using Mann–Whitney U-tests to assess differences between depressed adolescents and healthy controls. * p < 0.05 compared with the control group.