| INCIDENCE |
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| • | About
16 million individuals will have |
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| during
lifetime |
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| • | More
common than gastric ulcers |
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| • | Peak
incidence; 5th decade for men, 6th |
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| decade
for women |
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| • | 75%-80%
recurrence rate within 1yr of |
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| diagnosis
without maintenance therapy |
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| • | >90%
of duodenal ulcers caused by |
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| H.pylori |
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