Table 2. Comparison of H. pylori infection rate in patients with upper digestive tract diseases.
| Disease |
H. pylori infection (+)
(n = 2419) |
H. pylori infection (−)
(n = 1448) |
Total
(n = 3867) |
Infection rate | P-value |
| Reflux esophagitis | 182 | 173 | 355 | 51.27% | P < 0.001 |
| Esophagus cancer | 34 | 10 | 44 | 77.27% | 0.042* |
| Chronic atrophic gastritis | 169 | 41 | 210 | 80.48% | P < 0.001 |
| Gastric ulcer | 62 | 9 | 71 | 87.32% | P < 0.001 |
| Duodenal ulcer | 259 | 69 | 328 | 78.96% | P < 0.001 |
| Compound ulcer | 23 | 2 | 25 | 92.00% | 0.002** |
| Gastric polyp | 783 | 420 | 1203 | 65.09% | 0.029* |
| Gastric MALT lymphoma | 14 | 2 | 16 | 87.50% | 0.039* |
| Gastric cancer | 28 | 2 | 30 | 93.33% | P < 0.001 |