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Adjusted odds ratios and 95% confidence intervals of duodenal ulcer associated with different environmental and genetic factors by logistic regression
| Factor | OR | 95% (CI) | P-value |
|---|---|---|---|
| H. pylori infection | 9·74 | 3·53–26·89 | <0·001 |
| NSAIDs use | 8·82 | 3·51–22·17 | <0·001 |
| Carriage of IL-1RN*2, IL-1B−31*T, IL-1B−511*C and IL-1B+3954*C | 3·46 | 1·25–9·56 | 0·017 |
Age and sex were included in the model.
