The distribution of the PGC-RFLP in patients with gastric and duodenal ulcers compared with controls
| Gastric ulcer | Duodenal ulcer | |||||
| RFLP pattern | Controls | Body | Angulus | Antrum | ||
| 1:1 | 4 | 1 | – | 1 | – | |
| 1:2 | 15 | 2 | 4 | 1 | 3 | |
| 1:3 | 13 | – | 1 | – | 7 | |
| 1:4 | 14 | 5 | 2 | – | 4 | |
| 2:2 | 29 | 4 | 4 | 2 | 13 | |
| 2:3 | 28 | 1 | 4 | 1 | 5 | |
| 2:4 | 40 | 17 | 4 | 1 | 17 | |
| 3:3 | 6 | – | 1 | 1 | 2 | |
| 3:4 | 15 | 6 | 2 | 1 | 13 | |
| 4:4 | 13 | 4 | 3 | 2 | 6 | |
| Total | 177 | 40 | 25 | 10 | 70 | |