Helicobacter pylori infection, glandular atrophy and intestinal metaplasia in superficial gastritis, gastric erosion, erosive gastritis, gastric ulcer and early gastric cancer

Table 1 H pylori infection identified in different biopsy sites in associated diseases.

Endoscopical diagnosis	Cases	H pylori infective rate (%)
		Antrum	Corpus	Angle	Overall
Superficial gastritis	286	25.9	26.2	25.2	28.7
Erosive gastritis	286	46.9	53.5	49	57.7
Gastric erosion	286	52.4	61.5	52.4	63.3
Gastric ulcer	286	65	78	61.2	80.8
Early gastric cancer	286	35	50.7	34.6	52.4