Histopathological findings of gastric cardia, corpus, and antral biopsies
| Histological findings | Antrum (983) | Corpus (505) | Cardia (816) | |||
|---|---|---|---|---|---|---|
| N | % (95% CI) | N | % (95% CI) | N | % (95% CI) | |
| Antrum: positive finding in at least one of Bx1, Bx2, or Bx3; corpus: positive finding in at least one of Bx4 or Bx5. | ||||||
| CI, confidence interval. | ||||||
| Normal | 30 | 3.1 (2.0 to 4.2) | 37 | 7.3 (5.0 to 9.6) | 111 | 13.6 (11.2 to 16.0) |
| Chronic gastritis | 338 | 34.4 (31.4 to 37.4) | 271 | 53.7 (49.3 to 58.1) | 224 | 27.5 (24.4 to 30.6) |
| Active chronic gastritis | 765 | 77.8 (75.2 to 80.4) | 303 | 60.0 (55.7 to 64.3) | 472 | 57.8 (54.4 to 61.2) |
| H pylori infection | 818 | 83.2 (80.9 to 85.5) | 328 | 65.0 (60.8 to 69.2) | 492 | 60.3 (56.9 to 63.7) |
| Reactive atypia | 431 | 43.8 (40.7 to 46.9) | 109 | 21.6 (18.0 to 25.2) | 187 | 22.9 (21.3 to 24.5) |
| Atrophic changes | 444 | 45.2 (42.1 to 48.3) | 232 | 46.9 (42.6 to 51.2) | 179 | 21.9 (20.5 to 23.3) |
| Intestinal metaplasia | 128 | 13.0 (10.9 to 15.1) | 42 | 8.3 (5.9 to 10.7) | 31 | 3.8 (2.5 to 5.1) |
| Glandular dysplasia | 2 | 0.20 (−0.07 to 0.47) | 1 | 0.2 (0.01 to 0.39) | 2 | 0.25 (−0.09 to 0.58) |
| Adenocarcinoma | 3 | 0.31 (−0.03 to 0.65) | 0 | 0 | 1 | 0.12 (−0.11 to 0.35) |