Table 6. Summary Estimates of the Effect of Aspirin

Outcome

Odds Ratio (95% CI)

Benefits

 

Myocardial Infarction

0.72 (0.60 to 0.87)

Coronary Heart Disease Death

0.87 (0.70 to 1.09)

Total Stroke

1.02 (0.85 to 1.23)

All-Cause Mortality

0.93 (0.84 to 1.02)

Harms

 

Hemorrhagic Stroke*

1.4 (0.9 to 2.0)

Major Gastrointestinal Bleed*

1.7 (1.4 to 2.1)

*Source: Sudlow C. Antithrombotic treatment. Clinical Evidence, 5th ed. London: BMJ Publishing Group; 2001.

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