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Positive rates of H. pylori-IgG in patients with duodenal carcinoma of different types and at different locations
| Group | n |
H. pylori-IgG |
|
| Positive | Positive rates (%) | ||
| Duodenal carcinoma | 101 | 84 | 83.17 |
| Ulcerous type | 67 | 61 | 91.04e |
| Proliferous type | 44 | 23 | 52.27e |
| Bulb of duodenum | 69 | 65 | 94.20f |
| Descending part | 42 | 19 | 45.20f |
P < 0.05, χ² = 19.74;
P < 0.05, χ² = 28.97.
