Distribution of gastric histopathology by year
| 2002 baseline pathology | 2006 pathology | |||||||
| n | ≦CAG n=219 (%) | Superficial IM n=18 (%) | Deep IM n=448 (%) | Ind DYS n=208 (%) | Low-grade DYS n=18 (%) | High-grade DYS n=1 (%) | Cancer n=7 (%) | |
| Severe CAG | 207 | 117 (56.5) | 5 (2.4) | 66 (31.9) | 18 (8.7) | 1 (0.5) | 0 (0.0) | 0 (0.0) |
| Superficial IM | 62 | 19 (30.6) | 1 (1.6) | 37 (59.7) | 5 (8.1) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Deep IM | 154 | 25 (16.2) | 3 (1.9) | 76 (49.4) | 46 (29.9) | 3 (1.9) | 0 (0.0) | 1 (0.6) |
| Ind DYS | 418 | 55 (13.2) | 7 (1.7) | 231 (55.3) | 110 (26.3) | 9 (2.2) | 1 (0.2) | 5 (1.2) |
| Low-grade DYS | 77 | 3 (3.9) | 2 (2.6) | 38 (49.4) | 28 (36.4) | 5 (6.5) | 0 (0.0) | 1 (1.3) |
| High-grade DYS | 1 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 1 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Total | 919 | |||||||
CAG, chronic atrophic gastritis; DYS, dysplasia; IM, intestinal metaplasia; Ind DYS, indefinite dysplasia.