ArticleOsteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA2020
The relationship of 25-hydroxyvitamin D values and risk of fracture: a population-based retrospective cohort study.
Article in Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 7 citations in OpenAlex.
- Seasonal variation of serum 25-hydroxyvitamin D level in hemodialysis patients in the northernmost island of Japan.Clinical and experimental nephrology · 2021Observational
- Serum 25-Hydroxyvitamin D and Subsequent Cancer Incidence and Mortality: A Population-Based Retrospective Cohort Study.Mayo Clinic proceedings · 2021Article
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Abstract
Our study investigates 25-hydroxyvitamin D levels and fracture risk using population-level data. 25-Hydroxyvitamin D values < 12, 12-19, and > 50 ng/mL were not associated with increased risk of fractures overall compared with values 20-50 ng/mL. Severely low levels may be associated with increased risk of osteoporotic fracture, particularly of the wrist.
introductionStudies of the relationship between serum 25-hydroxyvitamin D (25(OH)D) levels and fracture risk have been inconsistent. We hypothesized that high 25(OH)D concentrations (> 50 ng/mL) would be associated with increased risk of fracture.
methodsWe identified all adult patients living in Olmsted County, Minnesota, between January 1, 2005 and December 31, 2011, who had at least one 25(OH)D measurement. Fracture outcomes were retrieved starting 30 days after 25(OH)D measurement and until patients' final clinical visit as an Olmsted County resident, December 31, 2014, or death. Data were analyzed using Cox proportional hazard regression.
resultsOf 11,002 individuals with a 25(OH)D measurement, 5.8% had a 25(OH)D value ˂ 12 ng/mL, and 5.1% had a value > 50 ng/mL. Compared with subjects with 25(OH)D values 20-50 ng/mL (reference group), values < 12, 12-19, and > 50 ng/mL displayed no association with overall fracture risk. After adjusting for a prior diagnosis of osteoporosis/osteopenia, only individuals with values ˂ 12 ng/mL had increased risk of any osteoporotic fracture (aHR = 1.41; 95% CI 1.05-1.89) and wrist fracture (aHR = 2.11; 95% CI 1.27-3.48) compared with the reference group. Compared with the reference group, values ˂ 12 ng/mL were associated with increased risk of any fracture (aHR = 1.35; 95% CI 1.01-1.80), osteoporotic fracture (aHR = 2.18; 95% CI 1.44-3.31), and wrist fracture (aHR = 2.39; 95% CI 1.19-4.81) in subjects without a prior diagnosis of osteoporosis/osteopenia, but not in those with a prior diagnosis of osteoporosis/osteopenia.
conclusionSeverely low 25(OH)D levels may be associated with increased risk of osteoporotic fracture, particularly of the wrist, but 25(OH)D values > 50 ng/mL were not associated with increased fracture risk.
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