Blood Magnesium and Calcium Levels and Prostate Cancer Risk
Author Information
Author(s): Dai Qi, Motley Saundra S., Smith Joseph A. Jr., Concepcion Raoul, Barocas Daniel, Byerly Susan, Fowke Jay H.
Primary Institution: Vanderbilt University Medical Center
Hypothesis
Inadequate magnesium levels, perhaps relative to calcium levels, are associated with greater prostate cancer risk.
Conclusion
Low blood magnesium levels and a high calcium-to-magnesium ratio were significantly associated with high-grade prostate cancer.
Supporting Evidence
- Serum magnesium levels were significantly lower among high-grade prostate cancer cases compared to controls.
- The calcium-to-magnesium ratio was significantly higher among high-grade cases.
- Elevated magnesium was associated with a lower risk of high-grade prostate cancer.
- Calcium levels were not significantly associated with prostate cancer or PIN.
Takeaway
This study found that having low magnesium in your blood and a high ratio of calcium to magnesium can increase the risk of serious prostate cancer.
Methodology
The study analyzed blood samples from participants in the Nashville Men's Health Study, using linear and logistic regression to assess associations between blood calcium, magnesium, and the calcium-to-magnesium ratio with prostate cancer risk.
Potential Biases
Potential detection biases related to differences in PSA levels and prostate volume were considered.
Limitations
The study cannot conclusively determine the temporal relationship between magnesium and calcium levels and prostate cancer development.
Participant Demographics
Participants were men aged 40 and older, with a mix of high-grade and low-grade prostate cancer cases, as well as controls.
Statistical Information
P-Value
0.04
Confidence Interval
(0.09, 0.85)
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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