Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Prevalence of Helicobacter pylori infection in each diagnosis n (%)
| Diseases | n | Positive |
| Gastritis | 307 | 219 (71.3) |
| Gastric ulcer | 25 | 23 (92.0) |
| Duodenal ulcer | 22 | 20 (90.9) |
| Gastric cancer | 5 | 3 (60.0) |
| Duodenal erosion | 5 | 3 (60.0) |
| Duodenal tumor | 1 | 1 (100.0) |
| Reflux esophagitis | 7 | 4 (57.1) |
