Demographic data on all patients with a follow up longer than 12 months. For each diagnostic category, mean follow up, patient characteristics at the initial endoscopy procedure, and Helicobacter pylori (Hp) status at enrolment are also shown
| Diagnostic category | No of patients (M/F) | Age (y) | Follow up (months) | Characteristics of patients (baseline endoscopy procedure) | Hp positive/Hp negative at enrolment | |
|---|---|---|---|---|---|---|
| *Values are mean (range). | ||||||
| Indefinite for non-invasive neoplasia | 9 (7/2) | 48 (34–71) | 42 (24–94) | Non-ulcer dyspepsia | 5 | 8/1 |
| Gastric ulcer (active) | 1 | |||||
| Duodenal ulcer (active) | 2 | |||||
| Gastric+duodenal ulcer (active) | 0 | |||||
| Unknown | 1 | |||||
| Low grade non-invasive neoplasia | 90 (48/42) | 56 (31–83) | 52 (12–206) | Non-ulcer dyspepsia | 57 | 86/4 |
| Gastric ulcer (active) | 12 | |||||
| Duodenal ulcer (active) | 10 | |||||
| Gastric+duodenal ulcer (active) | 1 | |||||
| Unknown | 10 | |||||
| High grade non-invasive neoplasia | 16 (10/6) | 60 (29–79) | 34 (12–72) | Non-ulcer dyspepsia | 9 | 14/2 |
| Gastric ulcer (active) | 5 | |||||
| Duodenal ulcer (active) | 1 | |||||
| Gastric+duodenal ulcer | 0 | |||||
| Unknown | 1 | |||||
| Suspicious for invasive cancer | 3 (2/1) | 65 (60–70) | 19 (12–30) | Non-ulcer dyspepsia | 1 | 3/0 |
| Gastric ulcer (active) | 1 | |||||
| Duodenal ulcer (active) | 0 | |||||
| Gastric+duodenal ulcer (active) | 0 | |||||
| Unknown | 1 | |||||
| Total | 118 (67/51) | 56 (29–83) | 52 (12–206) | Non-ulcer dyspepsia | 72 | 111/7 |
| Gastric ulcer (active) | 19 | |||||
| Duodenal ulcer (active) | 13 | |||||
| Gastric+duodenal ulcer (active) | 1 | |||||
| Unknown | 13 | |||||