Vitamin D Status Appears Unrelated to Fractures in Patients with Chronic Kidney Disease
Journal Title: Journal of Advances in Medicine and Medical Research - Year 2015, Vol 6, Issue 4
Abstract
Background: Although lack of Vitamin D is widespread in chronic kidney disease, data is scarce in the role Vitamin D may play in fractures in such cases. Methods: Retrospective analysis of all patients visiting Nephrology outpatients department in 1 UK District General Hospital over 2 years. Chronic kidney disease was categorised by estimated glomerular filtration rate, total Vitamin D and fracture details obtained from Hospital Information Technology system. Total Vitamin D <50nmol/L was considered inadequate. Logistic regression was used to assess the relationships of eGFR and total Vitamin D with fracture incidence. Spearman’s correlation coefficient (rs) was used to assess the relationship between continuous variables. Results: 43/66 patients were Vitamin D deficient - prevalence of Vitamin D deficiency was 65% (95% CI: 52%, 76%). 20/66 patients sustained any form of fracture, incidence of fracture in this chronic kidney disease population was 30% (95% CI: 20%, 43%). There was no association between total Vitamin D level and risk of fracture, OR 0.99 (95% CI: 0.97, 1.01), p = 0.316. The strength of the association between total Vitamin D level and fracture was also unrelated to estimated glomerular filtration level (interaction test, p = 0.971). There was no relationship between estimated glomerular filtration and total Vitamin D level (rs = -0.03, p = 0.8066). Estimated glomerular filtration was found to be negatively associated with risk of fracture, OR 0.96 (0.93, 1.00), p = 0.028. Conclusion: Vitamin D deficiency appears widely prevalent in chronic kidney disease with a third of patients sustaining fractures; total Vitamin D levels however are unrelated to fractures. Prospective interventional studies can help answer if earlier replacement of Vitamin D before chronic kidney disease develops will help improve musculoskeletal health and prevent fractures.
Authors and Affiliations
Anindya Banerjee
Keywords
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- EP ID EP347096
- DOI 10.9734/BJMMR/2015/14532
- Views 105
- Downloads 0
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