|
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 |
||
Campbell et al. Epidemiologic Perspectives & Innovations 2005 2:1 doi:10.1186/1742-5573-2-1 |
||||