| chronic gastritis | 3.36 | Histological examination confirmed a severe chronic atrophic gastritis. | ||
| atrophic gastritis | 1.58 | A gastroscopy two months later showed an extensive atrophic gastritis. | ||
| active gastritis | 1.25 | The histology indicated chronic active antral gastritis in all patients. | ||
| antral gastritis | 1.05 | All subjects in the study had antral gastritis. | ||
| superficial gastritis | 0.53 | No clinical data regarding the aetiology of superficial gastritis in these patients are given. | ||
| acute gastritis | 0.26 | She collapsed with acute gastritis and abandoned the trip. | ||
| type_b gastritis | 0.26 | Helicobacter organisms were identified in all but two patients with type B gastritis and in two patients with type C gastritis. |