Abstract
BackgroundFrailty is widely recognised as a distinct multifactorial clinical syndrome that implies vulnerability. The links between frailty and adverse outcomes such as death and institutionalisation have been widely evidenced. There is currently no gold standard frailty assessment tool; optimizing the assessment of frailty in older people therefore remains a research priority. The objective of this systematic review is to identify existing multi-component frailty assessment tools that were specifically developed to assess frailty in adults aged ≥60 years old and to systematically and critically evaluate the reliability and validity of these tools.MethodsA systematic literature review was conducted using the standardised COnsensus‐based Standards for the selection of health Measurement INstruments (COSMIN) checklist to assess the methodological quality of included studies.ResultsFive thousand sixty-three studies were identified in total: 73 of which were included for review. 38 multi-component frailty assessment tools were identified: Reliability and validity data were available for 21 % (8/38) of tools. Only 5 % (2/38) of the frailty assessment tools had evidence of reliability and validity that was within statistically significant parameters and of fair-excellent methodological quality (the Frailty Index-Comprehensive Geriatric Assessment [FI-CGA] and the Tilburg Frailty Indicator [TFI]).ConclusionsThe TFI has the most robust evidence of reliability and validity and has been the most extensively examined in terms of psychometric properties. However, there is insufficient evidence at present to determine the best tool for use in research and clinical practice. Further in-depth evaluation of the psychometric properties of these tools is required before they can fulfil the criteria for a gold standard assessment tool.Electronic supplementary materialThe online version of this article (doi:10.1186/s12877-016-0225-2) contains supplementary material, which is available to authorized users.
Highlights
Frailty is widely recognised as a distinct multifactorial clinical syndrome that implies vulnerability
Literature search and inclusion for review Five thousand sixty-three studies were identified in total, 73 of which were included for review following assessment against inclusion criteria [2, 13, 25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95]
This review presents a comprehensive list of multi-component frailty assessment tools for which there are published psychometric data
Summary
Frailty is widely recognised as a distinct multifactorial clinical syndrome that implies vulnerability. It was noted that prevalence figures varied substantially between studies (ranging from 4.0 to 59.1 %), with studies applying a physical phenotypical definition of frailty consistently reporting lower prevalence rates than those utilising a broader definition of frailty which included psychosocial domains [8]. This highlights the potential disparities in the Sutton et al BMC Geriatrics (2016) 16:55 identification of frailty depending on the definition of frailty applied. The dynamic nature of the frailty syndrome gives rise to the potential for preventative and restorative interventions
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