Table 1.

Demographic Features of Participants with and without H. pylori Infection, Univariate Analysis

H. pylori infection		Total positive no.	%	Total negative no.	%	P-value
Gender	Male	65	66.3	33	33.7	0.24
	Female	39	57.4	29	42.6
Age (years)	≤50	23	30.3	53	69.7	0.08
	>50	39	43.3	51	56.7
Ethnicity	Kazakhs	74	66.1	38	33.9	0.05
	Russians	23	50	23	50
	Other	7	87.5	1	12.5

no, number