Abstract：
OBJECTIVE:To design and validate a predictive BIA equation to estimate ASM in a sample of non-Caucasian older people and to explore the accuracy of two previous single-frequency BIA published equations. METHOD:This is a cross-sectional study in 213 physically-independent and apparently healthy older men and women subjects from a central region of Mexico. Dual-energy X-ray absorptiometry, anthropometry, resistance, reactance, and other independent predictive variables were assessed. The total sample was randomized and split into two sub-samples: one group for the development of the predictive single-frequency BIA equation and the other for its validation. The equation was derived by step-wise regression, the goodness of fit was assessed by the highest determination coefficient (R(2)) and precision by the lowest root mean square error. In the validation sample, the accuracy of the new and the published BIA equations was tested by pure error. In addition, Bland and Altman analysis tested the bias. RESULTS:The selected model had a R(2) of 0.91 and a RMSE of 1.01 kg and fulfilled every regression assumption. The predictive variables included were: Ht(2)/R, sex, and body weight. The new BIA equation showed a PE close to RMSE of the estimate with no significant bias. The published BIA equations proved to be inaccurate and had significant bias. CONCLUSIONS:This new single-frequency BIA-derived equation was precise, accurate and free of bias. Published BIA equations to estimate ASM should not be used indistinctly in other ethnic groups without validation.
journal_name
Arch Gerontol Geriatrjournal_title
Archives of gerontology and geriatricsauthors
Rangel Peniche DB,Raya Giorguli G,Alemán-Mateo Hdoi
10.1016/j.archger.2015.03.007subject
Has Abstractpub_date
2015-07-01 00:00:00pages
39-43issue
1eissn
0167-4943issn
1872-6976pii
S0167-4943(15)00046-1journal_volume
61pub_type
杂志文章abstract：:The effect of food restriction on the survival characteristics, membrane microviscosity and proliferative response in lymphocytes of female Wistar undernourished rats has been evaluated. Diet restriction was applied starting from the age of 3.5 months by feeding the animals on an every-other-day schedule (EOD). Diet r...
journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
doi：10.1016/0167-4943(90)90001-m
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abstract：:We aimed at investigating the relationship between socioeconomic (SES) and health status in the context of an observational multicenter study of elderly hospitalized patients. Our series consisted of 473 patients aged 70 years or more. K-means cluster analysis was used to generate 3 clusters on the basis of age, gende...
journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章,多中心研究
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abstract：OBJECTIVES:This study aims to analyze the accuracy and predictive ability of the Risk Instrument for Screening in the Community (RISC) scored by general practitioners (GPs) in a sample of primary care patients aged 80+ with perceived mental health concerns. METHOD:GPs ranked the perceived risk of the three adverse out...
journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
doi：10.1016/j.archger.2019.103974
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
doi：10.1016/j.archger.2020.104279
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journal_title：Archives of gerontology and geriatrics
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journal_title：Archives of gerontology and geriatrics
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
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journal_title：Archives of gerontology and geriatrics
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journal_title：Archives of gerontology and geriatrics
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journal_title：Archives of gerontology and geriatrics
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journal_title：Archives of gerontology and geriatrics
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journal_title：Archives of gerontology and geriatrics
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doi：10.1016/0167-4943(91)90049-v
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journal_title：Archives of gerontology and geriatrics
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journal_title：Archives of gerontology and geriatrics
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doi：10.1016/j.archger.2003.12.006
更新日期：2004-07-01 00:00:00
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
doi：10.1016/j.archger.2012.06.013
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journal_title：Archives of gerontology and geriatrics
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journal_title：Archives of gerontology and geriatrics
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章,评审
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章,评审
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更新日期：2017-09-01 00:00:00
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
doi：10.1016/j.archger.2012.06.011
更新日期：2012-11-01 00:00:00
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
doi：10.1016/0167-4943(85)90044-5
更新日期：1985-12-01 00:00:00
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.archger.2009.05.004
更新日期：2010-05-01 00:00:00
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
doi：10.1016/j.archger.2011.04.008
更新日期：2012-01-01 00:00:00
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
doi：10.1016/j.archger.2020.104223
更新日期：2020-08-06 00:00:00
abstract：:In this work, it was examined the possibility of lipopolysaccharide (LPS) causing cellular senescence in lung alveolar epithelial cells. Then, it was clarified how this cellular senescence phenomenon is associated with oxidative stress effect induced by LPS and whether antioxidants could inhibit reduced cellular viabi...
journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
doi：10.1016/j.archger.2011.07.016
更新日期：2012-03-01 00:00:00
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journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
doi：10.1016/j.archger.2016.06.020
更新日期：2016-11-01 00:00:00
abstract：OBJECTIVE:CVD are the leading causes of death and disability in the world. Since there are no published data about the knowledge of CVD risk factors among Croatian older adults, this was the primary aim of this study. Another aim was to determine relationship between actual CVD risk (total cholesterol - TC and triglyce...
journal_title：Archives of gerontology and geriatrics
pub_type： 杂志文章
doi：10.1016/j.archger.2015.04.001
更新日期：2015-07-01 00:00:00
