Table 4. Comparison of H. pylori infection rate in patients with upper and lower digestive tract comorbidities.
| Disease |
H. pylori infection (+)
(n = 1765) |
H. pylori infection (−)
(n = 1110) |
Total
(n = 2875) |
Infection rate | P-value |
| Reflux esophagitis and Colorectal polyp | 101 | 100 | 201 | 50.25% | 0.001** |
| Esophagus cancer and Colorectal polyp | 4 | 3 | 7 | 57.14% | P > 0.05 |
| Chronic atrophic gastritis and Colorectal polyp | 107 | 27 | 134 | 79.85% | P < 0.001 |
| Peptic ulcer and Colorectal polyp | 169 | 43 | 212 | 79.72% | P < 0.001 |
| Gastric polyp and Colorectal polyp | 471 | 240 | 711 | 66.24% | 0.002** |
| Gastric cancer and Colorectal polyp | 5 | 1 | 6 | 83.33% | P > 0.05 |
| Reflux esophagitis and Colorectal cancer | 8 | 3 | 11 | 72.73% | P > 0.05 |
| Chronic atrophic gastritis and Colorectal cancer | 13 | 1 | 14 | 92.86% | 0.015* |
| Peptic ulcer and Colorectal cancer | 8 | 1 | 9 | 88.89% | P > 0.05 |
| Gastric polyp and Colorectal cancer | 27 | 8 | 35 | 77.14% | P > 0.05 |