The Journal of Clinical Endocrinology & Metabolism · 2019 · 31 citations · 31 references
In this study, 25OHD insufficiency was associated with increased frailty in all but the oldest old. This study supports the value of maintaining sufficient 25OHD levels for healthy aging.
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Frailty in Older Adults: Evidence for a Phenotype
Linda P. Fried, Catherine M. Tangen, Jeremy Walston et al. · The Journals of Gerontology Series A · 2001 · 23.5K citations · Full text
A standard procedure for creating a frailty index
Samuel D. Searle, Arnold Mitnitski, Evelyne A. Gahbauer et al. · BMC Geriatrics · 2008 · 3.4K citations · Full text