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| Group | No | Age (mean (SD)) | Sex (M/F) | H pylori status (positive/negative) |
|---|---|---|---|---|
| Normal mucosa | 15 | 47.1 (16.2) | 7/8 | 0/15 |
| Chronic antral gastritis | 15 | 43.0 (15.5) | 6/9 | 15/0 |
| Antral intestinal metaplasia | 20 | 60.0 (15.2) | 13/7 | 14/6 |
| Antral gastric adenocarcinoma | 40 | 63.3 (12.4) | 28/12 | 22/18 |
| Overall | 90 | 56.5 (16.3) | 54/36 | 50/40 |
