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 activity
Cases (N)
Gender
H. pylori infection
Gastric atrophy
Intestinal metaplasia
Dysplasia
Male
Female
Negative
Positive
Mild
Moderate
Severe
None
Mild
Moderate
Severe
None
Mild
Moderate
Severe
Negative (%)
2756
1399 (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 (%)
1213
652 (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)
Total
3969
2051
1918
3135
834
2291
1514
164
622
2558
638
151
3835
111
18
5
P
ā
0.083
0.000
0.001
0.020
0.381
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.