Table 2: The frequency of H. pylori and other histopathological findings.
| Parameters | n | % |
| H. pylori | ||
| Positive | 470 | 68.6 |
| Negative | 215 | 31.4 |
| Pathological diagnosis | ||
| Chronic active gastritis | 383 | 55.9 |
| Chronic gastritis | 302 | 44.1 |
| Inflammation severity | ||
| Mild | 235 | 34.3 |
| Moderate | 265 | 38.7 |
| Severe | 185 | 27.0 |
| Metaplasia | ||
| Yes | 94 | 86.3 |
| No | 591 | 13.7 |