Aspirin Use and Gastrointestinal Risks
Author Information
Author(s): Sonia Hernández-Díaz, Luis A García Rodríguez
Primary Institution: Harvard School of Public Health
Hypothesis
What is the excess risk of upper gastrointestinal complications attributable to low-dose aspirin among patients with different gastrointestinal risk profiles?
Conclusion
The gastrointestinal risks associated with aspirin use can offset its cardiovascular benefits in certain patient groups.
Supporting Evidence
- Over 60% of aspirin users are above 60 years of age.
- The estimated average excess risk of upper gastrointestinal complications attributable to aspirin is around 5 extra cases per 1,000 aspirin users per year.
- The excess risk varies with the underlying gastrointestinal risk profile.
Takeaway
Aspirin can help your heart, but it might hurt your stomach, especially if you're older or have had stomach problems before.
Methodology
The study analyzed data from two databases to assess gastrointestinal risk factors and estimate the excess risk of complications from aspirin use.
Potential Biases
Assumptions made about the constancy of relative risks across different groups may not hold true.
Limitations
Some estimates were based on small numbers, leading to uncertainty, and not all potential risk factors were considered.
Participant Demographics
The study included aspirin users aged 20 to 99, with a significant proportion over 60 years old.
Statistical Information
Confidence Interval
95% CI: 2.4, 2.7
Digital Object Identifier (DOI)
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