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Significant differences of nonusers of aspirin versus aspirin users
| Characteristic | p valuea |
|---|---|
| Female sex | < 0.0005 |
| Age < 40 y | < 0.0001 |
| Ischemic heart disease | 0.002 |
| Diabetes | < 0.0005 |
| Use of > 5 medications | < 0.0005 |
| Smoker/ex-smoker | 0.19 |
| Anticoagulant use | 0.51 |
| Additional NSAID use | 0.20 |
Fisher exact test; nonusers compared with aspirin users.
NSAID = nonsteroidal anti-inflammatory drug.
