Research Article

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

Table 3

The distribution of H. pylori infection, gastric atrophy, intestinal metaplasia, and dysplasia according to the presence or absence of inflammatory activity.

Inflammatory activityCases (N)Gender H. pylori infectionGastric atrophy Intestinal metaplasia Dysplasia
MaleFemaleNegativePositiveMildModerateSevereNoneMildModerateSevereNoneMildModerateSevere

Negative (%)27561399 (50.76)1357 (49.24)2692 (97.68)64 (2.32)1625 (58.96)1005 (36.47)126 (4.57)414 (15.02)1763 (63.97)476 (17.27)103 (3.74)2655 (96.34)85 (3.08)12 (0.44)4 (0.14)
Positive (%)1213652 (53.75)561 (46.25)443 (36.52)770 (63.48)666 (54.91)509 (41.96)38 (3.13)208 (17.15)795 (65.54)162 (13.36)48 (3.95)1180 (97.28)26 (2.14)6 (0.50)1 (0.08)

Total39692051191831358342291151416462225586381513835111185
P ā€‰0.0830.0000.0010.0200.381

Note. The numbers in parentheses represent the percentage of H. pylori infection, gastric atrophy, intestinal metaplasia, and dysplasia in the inflammatory activity-negative and -positive groups.