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)
Gender
H. pylori infection
Inflammatory activity
Intestinal metaplasia
Dysplasia
Male
Female
Negative
Positive
Negative
Positive
Negative
Positive
Negative
Positive
Mild (%)
2291
1144
1147
1818
473 (20.65)
1625
666 (29.07)
496
1795 (78.35)
2230
61 (2.66)
Moderate (%)
1514
821
693
1174
340 (22.46)
1005
509 (33.62)
117
1397 (92.27)
1453
61 (4.03)
Severe (%)
164
86
78
143
21 (12.80)
126
38 (23.17)
9
155 (94.51)
152
12 (7.32)
Total (%)
3969
2051
1918
3135
834 (21.01)
2756
1213 (30.56)
622
3347 (84.33)
3835
134 (3.38)
P
ā
0.034
0.013
0.001
0.000
0.000
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.