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A
.gov website belongs to an official
government organization in the United States.
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Illustrative example: a hypothetical cohort study of the relationship between low aspirin intake and polyps among individuals with and without the high-risk COX-2 genotype
| Individuals with high-risk COX-2 genotype | Individuals without high-risk COX-2 genotype | |||
| Polyps | No Polyps | Polyps | No Polyps | |
| Low aspirin intake | 75 | 25 | 30 | 70 |
| High aspirin intake | 25 | 75 | 10 | 90 |
| Risk Ratio | 3.0 | 3.0 | ||
| Odds Ratio | 9.0 | 3.9 | ||
