Items analysis of the Frailty Index (FI-35): Insight in the contribution of each item to the level of frailty.

<h4>Background</h4>The FI-35 is a valid multidimensional Chinese frailty assessment instrument. Like other scales, functional measures rely on the information the total score provides. Our research aimed to analyze the contribution of each item.<h4>Methods</h4>Descriptive sta...

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Autores principales:	Xiaohong Zhang, C P Van Der Schans, Yanhui Liu, W Krijnen, J S M Hobbelen
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/50b38d7058d141b3acbca70d6c938961
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spelling	oai:doaj.org-article:50b38d7058d141b3acbca70d6c9389612021-12-02T20:06:00ZItems analysis of the Frailty Index (FI-35): Insight in the contribution of each item to the level of frailty.1932-620310.1371/journal.pone.0258588https://doaj.org/article/50b38d7058d141b3acbca70d6c9389612021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0258588https://doaj.org/toc/1932-6203<h4>Background</h4>The FI-35 is a valid multidimensional Chinese frailty assessment instrument. Like other scales, functional measures rely on the information the total score provides. Our research aimed to analyze the contribution of each item.<h4>Methods</h4>Descriptive statistics were used to summarize the sample characteristics. The expected item score (EIS) was used to determine how the items contribute to the generic measure of frailty.<h4>Results</h4>This study showed that most of the EIS curves increased across the entire range of frailty levels, and most of the items discriminate relatively well over the entire frailty range. Items differentially contributed to the total frailty score and differentially discriminated between frailty levels.<h4>Conclusions</h4>Although nearly all items monotonically increased with frailty levels, there were large differences between items in their ability to differentiate between persons being either weakly, moderately or highly frail.Xiaohong ZhangC P Van Der SchansYanhui LiuW KrijnenJ S M HobbelenPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11, p e0258588 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Xiaohong Zhang C P Van Der Schans Yanhui Liu W Krijnen J S M Hobbelen Items analysis of the Frailty Index (FI-35): Insight in the contribution of each item to the level of frailty.
description	<h4>Background</h4>The FI-35 is a valid multidimensional Chinese frailty assessment instrument. Like other scales, functional measures rely on the information the total score provides. Our research aimed to analyze the contribution of each item.<h4>Methods</h4>Descriptive statistics were used to summarize the sample characteristics. The expected item score (EIS) was used to determine how the items contribute to the generic measure of frailty.<h4>Results</h4>This study showed that most of the EIS curves increased across the entire range of frailty levels, and most of the items discriminate relatively well over the entire frailty range. Items differentially contributed to the total frailty score and differentially discriminated between frailty levels.<h4>Conclusions</h4>Although nearly all items monotonically increased with frailty levels, there were large differences between items in their ability to differentiate between persons being either weakly, moderately or highly frail.
format	article
author	Xiaohong Zhang C P Van Der Schans Yanhui Liu W Krijnen J S M Hobbelen
author_facet	Xiaohong Zhang C P Van Der Schans Yanhui Liu W Krijnen J S M Hobbelen
author_sort	Xiaohong Zhang
title	Items analysis of the Frailty Index (FI-35): Insight in the contribution of each item to the level of frailty.
title_short	Items analysis of the Frailty Index (FI-35): Insight in the contribution of each item to the level of frailty.
title_full	Items analysis of the Frailty Index (FI-35): Insight in the contribution of each item to the level of frailty.
title_fullStr	Items analysis of the Frailty Index (FI-35): Insight in the contribution of each item to the level of frailty.
title_full_unstemmed	Items analysis of the Frailty Index (FI-35): Insight in the contribution of each item to the level of frailty.
title_sort	items analysis of the frailty index (fi-35): insight in the contribution of each item to the level of frailty.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/50b38d7058d141b3acbca70d6c938961
work_keys_str_mv	AT xiaohongzhang itemsanalysisofthefrailtyindexfi35insightinthecontributionofeachitemtotheleveloffrailty AT cpvanderschans itemsanalysisofthefrailtyindexfi35insightinthecontributionofeachitemtotheleveloffrailty AT yanhuiliu itemsanalysisofthefrailtyindexfi35insightinthecontributionofeachitemtotheleveloffrailty AT wkrijnen itemsanalysisofthefrailtyindexfi35insightinthecontributionofeachitemtotheleveloffrailty AT jsmhobbelen itemsanalysisofthefrailtyindexfi35insightinthecontributionofeachitemtotheleveloffrailty
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Items analysis of the Frailty Index (FI-35): Insight in the contribution of each item to the level of frailty.

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