Research Article

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

Table 5

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

Intestinal metaplasiaCases (N)GenderH. pylori infectionInflammatory activityGastric atrophyDysplasia
MaleFemaleNegativePositiveNegativePositiveMildModerateSevereNegativePositive

Negative (%)622271351466156 (25.08)414208 (33.44)496 (79.74)117 (18.81)9 (1.45)60616 (2.57)
Positive (%)3347178015672669678 (20.26)23421005 (30.03)1795 (53.63)1397 (41.74)155 (4.63)3229118 (3.53)

Total (%)3969205119183135834 (21.01)27561213 (30.56)2291 (57.72)1514 (38.15)164 (4.13)3835134 (3.38)
P ā€‰0.0000.0000.020.0000.513

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