an increasing trendp < 0.05
caccae also showed an increasing trend in the CSD group at 6 months and after 1 year of age, while B. caecimuris was significantly increased in CSD at 5 days after birth (Fig. 1b ; FDR-adjusted p < 0.05, Wilcoxon rank-sum test) and showed an increasing trend at 1 year of age.