Changes in type of metaplasia in both directions were seen independent of the presence of Helicobacter pylori or cure of the infection
| Patient | Visit | A1 | A2 | A3 | A4 | A5 |
|---|---|---|---|---|---|---|
| A1–5 correspond to biopsy sites in the antrum. | ||||||
| Numbers given in columns are the type of metaplasia identified at that visit. | ||||||
| ND, not determined. | ||||||
| A | Day 0 | III | 0 | I | II | II |
| 1 month | 0 | II | II | 0 | II | |
| 6 months | 0 | II | 0 | I | 0 | |
| 1 year | 0 | 0 | II | 0 | 0 | |
| B | Day 0 | III | II | III | III | III |
| 2 months | I | I | I | I | ND | |
| 8 months | III | I | III | II | ND | |
| 1 year | III | III | II | III | II | |