Abstract
Background
Studies on the association between urinary albumin to creatinine ratio (ACR) and bone mineral density (BMD) are still controversial.
Aims
This study investigated the association between ACR and BMD in the general US population.
Methods
This cross-sectional study identified 2007 individuals aged 40 or above years with complete and valid data on urinary albumin to creatinine ratio (ACR) and femoral neck, total femur and lumbar spine BMD from the National Health and Nutrition Examination Survey 2013–2014. ACR was directly measured with established methods. BMDs were measured by dual-energy X-ray absorptiometry (DXA). After adjusting for multiple covariates, we used general linear model (GLM) to compare the mean of BMD between the quartiles of ACR.
Results
The mean age of participants in this study was 54.6 ± 11.3 years; 52.6% of them were female. ACR was negatively associated with BMD at femoral neck, total femur and lumbar spine (all P < 0.05). After adjusting for covariates, higher level of ACR quartile was associated with lower femoral neck BMD (P for trend = 0.032), but with not total femur and lumbar spine BMD (all P for trend > 0.05)).
Conclusion
ACR was negatively associated with femoral neck BMD in the general US population. Future studies are warranted to confirm our results.
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Data availability
The datasets used and analysed during the current study are available from the corresponding author on reasonable request.
Abbreviations
- ACR:
-
Urinary albumin to creatinine ratio
- BMD:
-
Bone mineral density
- BMI:
-
Body mass index
- CDC:
-
Centers for Disease Control and Prevention
- CKD:
-
Chronic kidney disease
- DXA:
-
Dual-energy X-ray absorptiometry
- GLM:
-
General linear model
- IQR:
-
Inter-quartile ranges
- LSD:
-
Least-significant difference
- NCHS:
-
National Center for Health Statistics
- NHANES:
-
National Health and Nutrition Examination Survey
- SD:
-
Standard deviation
- SPSS:
-
Statistical package for the social sciences
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Acknowledgements
The authors are grateful to the NHANES participants, staff and investigators.
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KSO, YL and SY contributed to the study conception and design. KSO collected data and conducted the analysis. The first draft of the manuscript was written by KSO, and all the authors commented on the previous version of the manuscript. All the authors read and approved the final manuscript.
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All participants provided written consent to participate in the NHANES surveys, and data collection was approved by the National Center for Health Statistics (NCHS) Research Ethics Review Board.
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All participants provided written consent to participate in the NHANES surveys and data collection.
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Consent for publication obtained from participants.
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The authors declare that they have no competing interests.
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Oumer, K.S., Liu, Y., Charkos, T.G. et al. Association between urine albumin to creatinine ratio and bone mineral density: a cross-sectional study. Ir J Med Sci 191, 427–432 (2022). https://doi.org/10.1007/s11845-021-02551-0
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DOI: https://doi.org/10.1007/s11845-021-02551-0