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Two-by-two contingency table for rofecoxib and myocardial infarction within the STRIDE dataset for patients with rheumatoid arthritis before 2005 using NCBO annotations.
| myocardial infarction | no myocardial infarction | |
|---|---|---|
| rofecoxib | a=339 | b=1221 |
| no rofecoxib | c=1488 | d=11031 |
