Table 2.

The diurnal relative abundance of gut microbiota at the phylum level in young and aged mice

Phylum	Young			Aged		p-value
	AM	PM		AM	PM
Male
Bacteroidetes	28.47 ± 5.33	58.10 ± 1.70		40.67 ± 4.61	28.27 ± 7.15	0.08
Firmicutes	30.17 ± 5.83	27.70 ± 2.70		50.30 ± 4.53	57.27 ± 3.98	0.08
Epsilonbacteraeota	39.17 ± 8.21	12.13 ± 3.28		6.30 ± 1.86	8.97 ± 2.97	0.08
Proteobacteria	0.16 ± 0.09	1.57 ± 0.92		1.30 ± 0.32	0.90 ± 0.10	0.05
Patescibacteria	1.24 ± 1.14	0.30 ± 0.06		0.50 ± 0.06	0.03 ± 0.03	0.09
Deferribacteres	0.01 ± 0.01	0.01 ± 0.01		0.11 ± 0.09	3.08 ± 1.91	0.23
Female
Bacteroidetes	52.13 ± 3.77	37.54 ± 5.49		44.96 ± 6.23	47.01 ± 4.26	0.32
Firmicutes	38.09 ± 2.59	49.84 ± 5.79		51.85 ± 7.18	43.50 ± 2.52	0.21
Epsilonbacteraeota	9.36 ± 2.53	11.47 ± 0.68		2.50 ± 1.24	6.37 ± 3.47	0.13
Proteobacteria	0.04 ± 0.01	0.35 ± 0.51		0.59 ± 1.15	2.52 ± 0.56	0.33

Values are presented as mean ± SEM. Phyla listed at > 1% relative abundance.