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 metaplasia
Cases (N)
Gender
H. pylori infection
Inflammatory activity
Gastric atrophy
Dysplasia
Male
Female
Negative
Positive
Negative
Positive
Mild
Moderate
Severe
Negative
Positive
Negative (%)
622
271
351
466
156 (25.08)
414
208 (33.44)
496 (79.74)
117 (18.81)
9 (1.45)
606
16 (2.57)
Positive (%)
3347
1780
1567
2669
678 (20.26)
2342
1005 (30.03)
1795 (53.63)
1397 (41.74)
155 (4.63)
3229
118 (3.53)
Total (%)
3969
2051
1918
3135
834 (21.01)
2756
1213 (30.56)
2291 (57.72)
1514 (38.15)
164 (4.13)
3835
134 (3.38)
P
ā
0.000
0.000
0.02
0.000
0.513
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.