(b) Male samples

Genus level	Group 1	Group 2	Group 3	P value∗
	(%)	(%)	(%)	(group 1 versus group 2)
k__Bacteria;p__Actinobacteria;c__Coriobacteriia;o__Coriobacteriales;f__Coriobacteriaceae;g__	0.03 ± 0.02	1.18 ± 1.25	0.77 ± 1.48	0.0006
k__Bacteria;p__Firmicutes;c__Bacilli;o__Turicibacterales;f__Turicibacteraceae;g__Turicibacter	1.82 ± 1.88	0.05 ± 0.08	0.17 ± 0.17	0.0200
k__Bacteria;p__Firmicutes;c__Clostridia;o__Clostridiales;f__Lachnospiraceae;g__[Ruminococcus]	1.47 ± 0.45	0.75 ± 0.19	0.85 ± 0.30	0.0006
k__Bacteria;p__Firmicutes;c__Erysipelotrichi;o__Erysipelotrichales;f__Erysipelotrichaceae;g__Allobaculum	5.33 ± 3.52	17.71 ± 6.29	15.44 ± 6.84	0.0006

^∗Mann–Whitney U test.