Statins and Breast Cancer Risk
Author Information
Author(s): Kaye J A, Meier C R, Walker A M, Jick H
Primary Institution: Harvard School of Public Health
Hypothesis
Does statin use increase the risk of breast cancer in women aged 50 to 79 with hyperlipidaemia?
Conclusion
The study found no association between current or past statin use and the risk of breast cancer.
Supporting Evidence
- Women treated with statins had a relative risk of breast cancer of 1.0 compared to those without hyperlipidaemia.
- Untreated hyperlipidaemia was associated with a relative risk of 1.6 for breast cancer.
- The study included 224 cases of breast cancer and 1009 matched controls.
Takeaway
The study looked at whether taking cholesterol-lowering drugs called statins affects the chances of getting breast cancer in older women, and it found that it doesn't.
Methodology
Matched case-control study using the General Practice Research Database.
Potential Biases
Potential for selection or information bias.
Limitations
The study could not analyze reproductive risk factors due to lack of data.
Participant Demographics
Women aged 50 to 79 diagnosed with breast cancer.
Statistical Information
P-Value
0.002
Confidence Interval
0.6–1.6
Statistical Significance
p=0.002
Digital Object Identifier (DOI)
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