Research Article

The Prevalence of Helicobacter pylori Infection Decreases with Older Age in Atrophic Gastritis

Table 4

The distribution of H. pylori infection, inflammatory (neutrophil) activity, intestinal metaplasia and dysplasia according to the grade of gastric atrophy.

Gastric atrophy Cases (N)GenderH. pylori infectionInflammatory activityIntestinal metaplasiaDysplasia
MaleFemaleNegativePositiveNegativePositiveNegativePositiveNegativePositive

Mild (%)2291114411471818473 (20.65)1625666 (29.07)4961795 (78.35)223061 (2.66)
Moderate (%)15148216931174340 (22.46)1005509 (33.62)1171397 (92.27)145361 (4.03)
Severe (%)164867814321 (12.80)12638 (23.17)9155 (94.51)15212 (7.32)

Total (%)3969205119183135834 (21.01)27561213 (30.56)6223347 (84.33)3835134 (3.38)
P ā€‰0.0340.0130.0010.0000.000

Note. The numbers in parentheses represent the percentage of H. pylori infection, inflammatory activity, intestinal metaplasia and dysplasia in patients with different degrees of gastric atrophy.