H pylori infection and endoscopic findings
| H pylori positive | ||||||
|---|---|---|---|---|---|---|
| Endoscopic findings | cagA+ | cagA− | Not determined3-150 | H pylori negative | H pylori positive/total (%) | cagA+/(cagA+ and cagA−) (%) |
| Chronic gastritis (n=86) | 45 | 5 | 3 | 33 | 61.6 | 90.0 |
| Gastric ulcer (n=41) | 25 | 2 | 3 | 11 | 73.2 | 92.6 |
| Duodenal ulcer (n=30) | 28 | 1 | 1 | 0 | 100 | 96.6 |
| Gastric cancer (n=25) | 16 | 1 | 1 | 7 | 72.0 | 94.1 |
| Normal mucosa (n=10) | 0 | 0 | 0 | 10 | 0.0 | – |
| Total (n=192) | 114 | 9 | 8 | 61 | 68.2 | 92.7 |
↵3-150 The presence of the cagA gene could not be detected as these patients were H pylori positive on histology only.