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| Endoscopic findings | H. pylori (+)n (%) | H. pylori (−)n (%) |
|---|---|---|
| Antral nodularity (n = 55) | 42 (76.4) | 13 (23.6) |
| Antral hyperemia (n = 13) | 6 (46.2) | 7 (53.8) |
| Hyperemia in duodenal mucosa (n = 24) | 12 (50) | 12 (50) |
| Duodenal ulcer (n=3) | 2 (66.7) | 1 (33.3) |
| Gastric ulcer (n=6) | 5 (83.3) | 1 (16.7) |
| Total (101) | 67 (66.3) | 34 (33.7) |
n: number of H. pylori isolates.
