Endoscopic findings in the 13 blood donors who became symptomatic between 1990 and 2000 (n=13)
| Finding | H pylori positive (n=12) | H pylori eradicated (n=1) |
|---|---|---|
| Values are number (%; 95% confidence interval). | ||
| *Grade A according to Los Angeles classification. | ||
| Normal | 4 (33.3%; 13.8–60.9) | 0 |
| Duodenal ulcer | 1 (8.3%; 1.5–35.4) | 0 |
| Gastric ulcer | 1 (8.3%; 1.5–35.4) | 0 |
| Erosive duodenitis | 1 (8.3%; 1.5–35.4) | 0 |
| Erosive gastritis | 4 (33.3%; 13.8–60.9) | 0 |
| Oesophagitis | 1* (8.3%; 1.5–35.4) | 1* (100%; 20.7–100) |