Gut dysbiosis and small intestinal bacterial overgrowth as independent forms of gut microbiota disorders in cirrhosis

Table 2 Abundance of bacteria at the phylum and class levels in gut microbiome of patients with and without small intestinal bacterial overgrowth

Taxon	Patients with SIBO (n = 24)	Patients without SIBO (n = 23)	P value
Phyla
Firmicutes	90.2 (77.7-94.3)	80.0 (67.5-87.2)	0.017
Bacteroidetes	5.3 (1.5-7.7)	6.8 (5.6-1.3)	0.013
Proteobacteria	1.3 (0.2-3.0)	1.7 (0.2-4.1)	0.790
Actinobacteria	0.5 (0.3-1.6)	0.8 (0.4-3.8)	0.343
Fusobacteria	0.01 (0.00-0.03)	0.00 (0.00-0.00)	0.011
Main classes of Firmicutes
Clostridia	77.9 (67.1-84.6)	70.9 (61.6-83.1)	0.151
Bacilli	2.4 (0.4-7.1)	1.1 (0.4-7.3)	0.573
Negativicutes	0.5 (0.2-0.8)	0.4 (0.2-1.4)	0.956

SIBO: Small intestinal bacterial overgrowth.