Aspirin vs placebo or no treatment
Polypharmacy guidance: realistic prescribing
Study population:
Primary prevention of CVD
Individuals without history of occlusive disease
Comments:
Age range in trials was 19-94 years
Patients had hypertension or coronary risk factors without overt disease.
| Outcome | Duration | NNT | Annualised NNT |
|---|---|---|---|
|
Serious vascular event. (Defined as MI, stroke or vascular death). |
Mean 5.8 years |
246 |
1428 |