Histological type | Patient number | Gender | Age(yr) mean ± SD | |
---|---|---|---|---|
 |  | Male | Female |  |
Healthy volunteers | 20 | 10 | 10 | 44.6 ± 12.7 |
Atrophic gastritis | 40 | 25 | 15 | 50.2 ± 10.8 |
Intestinal metaplasia | 40 | 26 | 14 | 60.9 ± 13.5 |
Dysplasia | 40 | 30 | 10 | 64.0 ± 11.4 |
Gastric cancer | 39 | 23 | 16 | 53.0 ± 10.0 |