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[A study on the relationship between Helicobacter pylori and chronic gastritis and peptic ulcer by the case-control
1Department of Epidemiology, Tongji Medical University, Wuhan.
Abstract:
The association between Helicobacter pylori and the chronic gastritis and peptic ulcer was investigated by the case-control method, 1:1 matched study and sequential analysis. The results of three methods showed that the degree of association between Helicobacter pylori and the chronic gastritis and peptic ulcer was significant (chi 2 = 22.70, P < 0.001, OR = 15.63, 95% CI of OR was 5.05, 48.43), especially that between Helicobacter pylori and active chronic gastritis (OR = 20.92). The results indicate that Helicobacter pylori might be an etiological factor for patients with chronic gastritis and peptic ulcer.
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