The Prevalence of Helicobacter pylori Infection Decreases with Older Age in Atrophic Gastritis
Table 2
The distribution of inflammatory (neutrophil) activity, gastric atrophy, intestinal metaplasia, and dysplasia according to the presence or absence of H. pylori infection.
H. pylori infection
Cases (N)
Gender
Inflammatory activity
Gastric atrophy
Intestinal metaplasia
Dysplasia
Male
Female
Negative
Positive
Mild
Moderate
Severe
None
Mild
Moderate
Severe
None
Mild
Moderate
Severe
Negative (%)
3135
1623 (51.77)
1512 (48.23)
2692 (85.87)
443 (14.13)
1818 (57.99)
1174 (37.45)
143 (4.56)
466 (14.87)
1988 (63.41)
564 (17.99)
117 (3.73)
3022 (96.40)
93 (2.97)
15 (0.48)
5 (0.15)
Positive (%)
834
428 (51.32)
406 (48.68)
64 (7.67)
770 (92.33)
473 (56.71)
340 (40.77)
21 (2.52)
156 (18.71)
570 (68.34)
74 (8.87)
34 (4.08)
813 (97.48)
18 (2.16)
3 (0.36)
0 (0)
Total
3969
2051
1918
2756
1213
2291
1514
164
622
2558
638
151
3835
111
18
5
P
0.817
0.000
0.013
0.000
0.368
Note. The numbers in parentheses represent the percentage of inflammatory activity, gastric atrophy, intestinal metaplasia, and dysplasia in the H. pylori-negative and -positive groups.
