Frequency of endoscopic findings and Helicobacter pylori prevalence: N = 304; percentages do not add to 100% because some patients had multiple findings.
| FINDINGS | N (%) |
|---|---|
| Normal upper endoscopy | 112 (36.8) |
| Gastritis | 140 (46.1) |
| Esophagitis | 21 (6.9) |
| Gastric ulcer | 21 (6.9) |
| Duodenitis | 21 (6.9) |
| Duodenal ulcer | 10 (3.3) |
| Malignancy | 2 (0.7) |
| Other | 43 (14.1) |
| Gastric or duodenal biopsy | 203 (66.8) |
| H pylori–positive biopsy* | 77 (37.9) |
↵* Biopsies were conducted for 203 patients.