Reference values of hand-grip dynamometry and the relationship between low strength and mortality in older Chileans

Lydia Lera, Cecilia Albala, Bárbara Leyton, Carlos Márquez, Bárbara Angel, Rodrigo Saguez, Hugo Sánchez Public Health Nutrition Unit, Institute of Nutrition and Food Technology, University of Chile, Santiago, Chile Aim: This study was aimed to set refere...

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Autores principales:	Lera L, Albala C, Leyton B, Márquez C, Angel B, Saguez R, Sánchez H
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2018
Materias:	hand-grip strength dynamometry ageing functional limitation mortality. Geriatrics RC952-954.6
Acceso en línea:	https://doaj.org/article/9557dd3511c84fb0a21fbb47d74856ec
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spelling	oai:doaj.org-article:9557dd3511c84fb0a21fbb47d74856ec2021-12-02T02:55:04ZReference values of hand-grip dynamometry and the relationship between low strength and mortality in older Chileans1178-1998https://doaj.org/article/9557dd3511c84fb0a21fbb47d74856ec2018-02-01T00:00:00Zhttps://www.dovepress.com/reference-values-of-hand-grip-dynamometry-and-the-relationship-between-peer-reviewed-article-CIAhttps://doaj.org/toc/1178-1998Lydia Lera, Cecilia Albala, Bárbara Leyton, Carlos Márquez, Bárbara Angel, Rodrigo Saguez, Hugo Sánchez Public Health Nutrition Unit, Institute of Nutrition and Food Technology, University of Chile, Santiago, Chile Aim: This study was aimed to set reference values of hand-grip strength by age and sex and validate cut points for risk of functional limitation and mortality in older Chileans.Methods: This was a pooled analysis of four studies including 6,426 people ≥60 years of nondependent community-dwelling Chileans. After exclusion criteria, the final sample included 5,250 subjects, from whom 2,193 were followed to study all-cause mortality associated with low hand-grip strength. Face-to-face interviews registering sociodemographic characteristics, self-reported chronic diseases, and functional limitations were conducted. Anthropometric measurements and observed mobility were performed by trained professionals. Hand-grip strength was measured with a hand dynamometer T-18 (Country Technology, Inc.) before 2008 or with JAMAR brand from 2008 onwards. Percentiles were calculated through descriptive analysis and quantile regression models for specific groups of age and sex. Adjusted Cox regression hazard models for mortality risk according to low dynamometry condition and covariates were developed.Results: We deliver reference values of hand-grip strength for older Chileans proposing the 25th percentile as the cut-off point for low dynamometry risk: men ≤27 kg, women ≤15 kg. Low hand-grip strength was associated with Instrumental Activities of Daily Living limitations (p=0.001), and altered physical performance evaluated through the Timed Up and Go test (p=0.0001), grasping (p=0.001), bending (p<0.0001), and lifting (p<0.0001). After Cox proportional hazard regression models were assessed with a median follow-up of 9.2 years, the adjusted risk of all-cause mortality associated with a hand-grip strength lower than the 25th percentile in older Chileans showed a hazard ratio of 1.39 (95% confidence interval: 1.13–1.71).Conclusion: The cut-off points of dynamometry validated for the older Chileans allow the incorporation in the geriatric evaluation in primary health care of an easy-to-use, inexpensive indicator to identify older adults at risk of sarcopenia, frailty, and dismobility. In addition this also helps to optimize the evaluation of intervention strategies focused on the maintenance of functionality. Keywords: hand-grip strength, dynamometry, aging, functional limitation, mortalityLera LAlbala CLeyton BMárquez CAngel BSaguez RSánchez HDove Medical Pressarticlehand-grip strengthdynamometryageingfunctional limitationmortality.GeriatricsRC952-954.6ENClinical Interventions in Aging, Vol Volume 13, Pp 317-324 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	hand-grip strength dynamometry ageing functional limitation mortality. Geriatrics RC952-954.6
spellingShingle	hand-grip strength dynamometry ageing functional limitation mortality. Geriatrics RC952-954.6 Lera L Albala C Leyton B Márquez C Angel B Saguez R Sánchez H Reference values of hand-grip dynamometry and the relationship between low strength and mortality in older Chileans
description	Lydia Lera, Cecilia Albala, Bárbara Leyton, Carlos Márquez, Bárbara Angel, Rodrigo Saguez, Hugo Sánchez Public Health Nutrition Unit, Institute of Nutrition and Food Technology, University of Chile, Santiago, Chile Aim: This study was aimed to set reference values of hand-grip strength by age and sex and validate cut points for risk of functional limitation and mortality in older Chileans.Methods: This was a pooled analysis of four studies including 6,426 people ≥60 years of nondependent community-dwelling Chileans. After exclusion criteria, the final sample included 5,250 subjects, from whom 2,193 were followed to study all-cause mortality associated with low hand-grip strength. Face-to-face interviews registering sociodemographic characteristics, self-reported chronic diseases, and functional limitations were conducted. Anthropometric measurements and observed mobility were performed by trained professionals. Hand-grip strength was measured with a hand dynamometer T-18 (Country Technology, Inc.) before 2008 or with JAMAR brand from 2008 onwards. Percentiles were calculated through descriptive analysis and quantile regression models for specific groups of age and sex. Adjusted Cox regression hazard models for mortality risk according to low dynamometry condition and covariates were developed.Results: We deliver reference values of hand-grip strength for older Chileans proposing the 25th percentile as the cut-off point for low dynamometry risk: men ≤27 kg, women ≤15 kg. Low hand-grip strength was associated with Instrumental Activities of Daily Living limitations (p=0.001), and altered physical performance evaluated through the Timed Up and Go test (p=0.0001), grasping (p=0.001), bending (p<0.0001), and lifting (p<0.0001). After Cox proportional hazard regression models were assessed with a median follow-up of 9.2 years, the adjusted risk of all-cause mortality associated with a hand-grip strength lower than the 25th percentile in older Chileans showed a hazard ratio of 1.39 (95% confidence interval: 1.13–1.71).Conclusion: The cut-off points of dynamometry validated for the older Chileans allow the incorporation in the geriatric evaluation in primary health care of an easy-to-use, inexpensive indicator to identify older adults at risk of sarcopenia, frailty, and dismobility. In addition this also helps to optimize the evaluation of intervention strategies focused on the maintenance of functionality. Keywords: hand-grip strength, dynamometry, aging, functional limitation, mortality
format	article
author	Lera L Albala C Leyton B Márquez C Angel B Saguez R Sánchez H
author_facet	Lera L Albala C Leyton B Márquez C Angel B Saguez R Sánchez H
author_sort	Lera L
title	Reference values of hand-grip dynamometry and the relationship between low strength and mortality in older Chileans
title_short	Reference values of hand-grip dynamometry and the relationship between low strength and mortality in older Chileans
title_full	Reference values of hand-grip dynamometry and the relationship between low strength and mortality in older Chileans
title_fullStr	Reference values of hand-grip dynamometry and the relationship between low strength and mortality in older Chileans
title_full_unstemmed	Reference values of hand-grip dynamometry and the relationship between low strength and mortality in older Chileans
title_sort	reference values of hand-grip dynamometry and the relationship between low strength and mortality in older chileans
publisher	Dove Medical Press
publishDate	2018
url	https://doaj.org/article/9557dd3511c84fb0a21fbb47d74856ec
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Reference values of hand-grip dynamometry and the relationship between low strength and mortality in older Chileans

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