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. 2022 Aug 24;22:502. doi: 10.1186/s12887-022-03570-1

Fig. 2.

Fig. 2

The principal coordinate analysis of the intestinal flora in the BA group and the CD group and between the preoperative groups. a The intestinal microbial structure of the BA group was significantly different before and after the operation (p = 0.001); b The intestinal microbial structure of the CD group was significantly different before and after surgery (p = 0.002); c The preoperative intestinal microbial structure of the BA group and the CD group was significantly different (p = 0.002)