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Vitamin D supplementation as a potential cause of U-shaped associations between vitamin D levels and negative health outcomes: a decision tree analysis for risk of frailty
BACKGROUND: A recent controversy in vitamin D research is a “U-shaped association”, with elevated disease risks at both high and low 25-hydroxyvitamin D (25 (OH) D) levels. METHODS: This is a cross-sectional study of 238 male nursing home veterans in Hawaii. Classification and regression tree (CART)...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5644251/ https://www.ncbi.nlm.nih.gov/pubmed/29037174 http://dx.doi.org/10.1186/s12877-017-0631-0 |