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Exclusion criteria.
| Patients, n | ||
|---|---|---|
|
|
||
| Criterion | GU | CGDU |
| Gastric cancer | 697 | 11 |
| Lymphoma | 32 | 0 |
| History of anti-H. pylori therapy | 257 | 43 |
| Treatment with NSAIMs, H2-receptor antagonists or proton pump inhibitors | 736 | 179 |
GU, gastric ulcer; CGDU, concomitant gastric and duodenal ulcer; H. pylori, Helicobacter pylori; NSAIMs, non-steroidal anti-inflammatory medicines.
