Effect of gastric microbiota on quadruple Helicobacter pylori eradication therapy containing bismuth

Table 1 Baseline characteristics used in case matching of Helicobacter pylori eradication failure and success

		Failure group	Success group	P value
Sex	Male	7	14	1.000
	Female	1	2
Age in yr, mean ± SD		40.13 ± 14.55	37.44 ± 6.42	0.532
BMI in kg/m2, mean ± SD		25.01 ± 5.32	25.20 ± 2.84	0.913
Background mucosa	Chronic superficial gastritis	6	13	1.000
	Chronic atrophic gastritis	2	3

SD: Standard deviation.

Table 2 Phylum-level differences of gastric mucosa microbiota

Phyla	Failure group, %	Success group, %	P value
Proteobacteria	98.26	94.60	0.0346
Bacteroidetes	0.60	1.23	0.4623
Firmicutes	0.52	1.23	0.2839
Actinomycetes	0.21	0.96	0.0016
Fusobacteria	0.11	0.27	0.6025