Table 2.

The relative abundance and ratio (F/B) of Firmicutes and Bacteroidetes.

Species	Weeks	Lp N1115 Group, Median (25th, 75th)	Control Group, Median (25th, 75th)	p a
Firmicutes	0	42.4 (30.0, 57.6)	49.9 (35.4, 66.1)	0.120
	4	47.5 (30.8, 60.1)	55.3 (34.6, 68.6)	0.092
	8	41.6 (30.7, 55.1)	51.2 (40.4, 68.1)	0.010
	12	44.0 (31.9, 58.7)	49.5 (39.3, 62.8)	0.150
Bacteroidetes	0	21.4 (0.03, 35.1)	13.3 (0.1, 31.6)	0.984
	4	16.5 (0.03, 37.6)	12.0 (30.0, 57.6)	0.994
	8	20.0 (0.05, 45.3)	23.5 (0.9, 36.0)	0.676
	12	23.1 (0.13, 40.1)	26.8 (3.5, 40.7)	0.534
F/B	0	2.4 (1.2, 528.2)	5.7 (1.5, 396.6)	0.753
	4	3.1 (1.1, 363.0)	5.2 (1.5, 197.9)	0.726
	8	2.7 (0.8, 554.4)	2.2 (1.2, 74.6)	0.699
	12	2.0 (1.1, 147.7)	2.0 (0.9, 18.2)	0.632

^a Mann–Whitney U test.