Plasma 25-hydroxyvitamin D level and the risk of frailty among Chinese community-based oldest-old: evidence from the CLHLS study

[1] Clegg A(2013)Frailty in elderly people Lancet 381 752-762

[2] Young J(2012)Prevalence of frailty in community-dwelling older persons: a systematic review J Am Geriatr Soc 60 1487-1492

[3] Iliffe S(2015)Frailty as a predictor of future falls among community-dwelling older people: a systematic review and meta-analysis J Am Med Dir Assoc 16 1027-1033

[4] Rikkert MO(2017)Frailty as a predictor of disabilities among community-dwelling older people: a systematic review and meta-analysis Disabil Rehabil 39 1897-1908

[5] Rockwood K(2015)Frailty and the prediction of dependence and mortality in low- and middle-income countries: a 10/66 population-based cohort study BMC Med 13 138-389

[6] Collard RM(2008)Comparison of 2 frailty indexes for prediction of falls, disability, fractures, and death in older women Arch Intern Med 168 382-190

[7] Boter H(2016)In search of 'Omics'-based biomarkers to predict risk of frailty and its consequences in older individuals: the FRAILOMIC initiative Gerontology. 62 182-727

[8] Schoevers RA(2007)Frailty in relation to the accumulation of deficits J Gerontol A Biol Sci Med Sci 62 722-26

[9] Oude Voshaar RC(2011)Frailty defined by deficit accumulation and geriatric medicine defined by frailty Clin Geriatr Med 27 17-M156

[10] Kojima G(2001)Frailty in older adults: evidence for a phenotype J Gerontol A Biol Sci Med Sci 56 M146-94

[1] Clegg A(2013)Frailty in elderly people Lancet 381 752-762

[2] Young J(2012)Prevalence of frailty in community-dwelling older persons: a systematic review J Am Geriatr Soc 60 1487-1492

[3] Iliffe S(2015)Frailty as a predictor of future falls among community-dwelling older people: a systematic review and meta-analysis J Am Med Dir Assoc 16 1027-1033

[4] Rikkert MO(2017)Frailty as a predictor of disabilities among community-dwelling older people: a systematic review and meta-analysis Disabil Rehabil 39 1897-1908

[5] Rockwood K(2015)Frailty and the prediction of dependence and mortality in low- and middle-income countries: a 10/66 population-based cohort study BMC Med 13 138-389

[6] Collard RM(2008)Comparison of 2 frailty indexes for prediction of falls, disability, fractures, and death in older women Arch Intern Med 168 382-190

[7] Boter H(2016)In search of 'Omics'-based biomarkers to predict risk of frailty and its consequences in older individuals: the FRAILOMIC initiative Gerontology. 62 182-727

[8] Schoevers RA(2007)Frailty in relation to the accumulation of deficits J Gerontol A Biol Sci Med Sci 62 722-26

[9] Oude Voshaar RC(2011)Frailty defined by deficit accumulation and geriatric medicine defined by frailty Clin Geriatr Med 27 17-M156

[10] Kojima G(2001)Frailty in older adults: evidence for a phenotype J Gerontol A Biol Sci Med Sci 56 M146-94