Fig 1.
The prevalence of H. pylori infection.
(A) The number of patients who underwent upper gastrointestinal endoscopy per year. (B) Percentage of H. pylori positive patients per year.
Fig 2.
The incidence of gastric cancer.
(A) Total number of gastric cancer patients per year.(B) Percentage of H. pylori positive patients with gastric cancer per year.
Fig 3.
The incidence and location of gastric cancer.
(A) Black bar indicates number of gastric cancer patients per year. Shaded bar indicates H. pylori positive gastric cancer patients per year.(B) The location of the cancer in patients either H. pylori infected(black bar) or non-infected(shaded bar).
Fig 4.
The incidence of duodenal ulcer.
(A) Total number of duodenal ulcer patients per year.(B) Percentage of H. pylori positive patients with duodenal ulcer per year.
Fig 5.
Status of gastritis by histology.
Activity, inflammation, atrophy and intestinal metaplasia in both the antrum and the corpus in duodenal ulcer patients and gastric cancer patients. (0, ‘normal’, white bar; 1, ‘mild’,grey bar; 2, ‘moderate’, dark grey bar;and 3, ‘marked’, black bar).
Table 1.
CagA status in samples proven to be H. pylori positive by immunohistochemistry.
Table 2.
Characteristics of H. pylori positive gastric cancer patients confirmed by immunohistochemistry.
Table 3.
Characteristics of H. pylori positive duodenal ulcer patients confirmed by immunohistochemistry.