Bone Turnover Markers and Bone Marrow Lesions in Knee Osteoarthritis
Author Information
Author(s): Hunter David J, LaValley Michael, Li Jiang, Bauer Doug C, Nevitt Michael, DeGroot Jeroen, Poole Robin, Eyre David, Guermazi Ali, Gale Daniel, Totterman Saara, Felson David T
Primary Institution: Boston University School of Medicine
Hypothesis
If bone marrow lesions are areas of accelerated bone turnover, then they should be accompanied by elevation in systemic levels of bone turnover markers.
Conclusion
Serum NTx was weakly associated with the presence of BMLs in both study samples.
Supporting Evidence
- The only model that reached statistical significance used maximum score of BML above 0 as the outcome.
- Ln-NTx exhibited a significant association with BMLs, with the odds of a BML being present increasing by 1.4-fold per 1 standard deviation increase in the LnNTx.
- In the Framingham study, the relationship between NTx and maximum score of BML above 0 revealed a significant association, with an odds ratio of 1.7.
Takeaway
The study looked at whether certain markers in the blood could show if people have specific bone problems in their knees. It found that one marker was weakly linked to these problems.
Methodology
A case-control study using data from the Boston Osteoarthritis of the Knee Study and the Framingham Osteoarthritis Study, analyzing biomarkers and MRI results.
Potential Biases
Potential biases due to participant selection and the nature of the biomarkers used.
Limitations
The study may have insufficient power to detect associations, and biomarkers reflect systemic changes rather than localized conditions.
Participant Demographics
Mean age of 67 years, 60% male in BOKS; mean age of 68 years, 40% male in Framingham.
Statistical Information
P-Value
0.002
Confidence Interval
1.0-fold to 2.0-fold
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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