Reference equations for harmonizing gait speed results of different test protocols in community-dwelling older adults

Background and aims Different gait speed assessment protocols regarding start and stop of walking make comparison between studies impossible. The aim of this study was providing reference equations to estimate a person´s steady-state gait speed from gait speed measured with a test protocol including...

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Published in:Aging clinical and experimental research 2023-02, Vol.35 (2), p.413-416
Main Authors: Lindemann, Ulrich, Krumpoch, Sebastian, Freiberger, Ellen, Klenk, Jochen
Format: Article
Language:English
Subjects:
Age
Aged
Aged, 80 and over
Aging
Comorbidity
Female
Gait
Geriatrics/Gerontology
Humans
Independent Living
Male
Medicine
Medicine & Public Health
Older people
Regression analysis
Short Communication
Walking
Walking Speed
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container_title Aging clinical and experimental research
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creator Lindemann, Ulrich
Krumpoch, Sebastian
Freiberger, Ellen
Klenk, Jochen
description Background and aims Different gait speed assessment protocols regarding start and stop of walking make comparison between studies impossible. The aim of this study was providing reference equations to estimate a person´s steady-state gait speed from gait speed measured with a test protocol including static start and/or stop. Methods Gait speed of 150 community-dwelling older adults (mean age 80.5 ± 4.5 years; 61% women) was measured over 4 m with different assessment protocols regarding start and stop of walking on an instrumented walkway. Reference equations to estimate steady-state gait speed from the results of other test protocols were calculated by regression analysis within a fivefold cross-validation. Results Mean absolute errors and the root mean squared errors of all reference equations ranged from 0.063 m/s to 0.074 m/s and 0.082 m/s to 0.096 m/s, respectively. Conclusions The provided reference equations can help harmonizing results between studies in community-dwelling older adults.
doi_str_mv 10.1007/s40520-022-02309-3
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The aim of this study was providing reference equations to estimate a person´s steady-state gait speed from gait speed measured with a test protocol including static start and/or stop. Methods Gait speed of 150 community-dwelling older adults (mean age 80.5 ± 4.5 years; 61% women) was measured over 4 m with different assessment protocols regarding start and stop of walking on an instrumented walkway. Reference equations to estimate steady-state gait speed from the results of other test protocols were calculated by regression analysis within a fivefold cross-validation. Results Mean absolute errors and the root mean squared errors of all reference equations ranged from 0.063 m/s to 0.074 m/s and 0.082 m/s to 0.096 m/s, respectively. Conclusions The provided reference equations can help harmonizing results between studies in community-dwelling older adults.</description><identifier>ISSN: 1720-8319</identifier><identifier>ISSN: 1594-0667</identifier><identifier>EISSN: 1720-8319</identifier><identifier>DOI: 10.1007/s40520-022-02309-3</identifier><identifier>PMID: 36456892</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Age ; Aged ; Aged, 80 and over ; Aging ; Comorbidity ; Female ; Gait ; Geriatrics/Gerontology ; Humans ; Independent Living ; Male ; Medicine ; Medicine &amp; Public Health ; Older people ; Regression analysis ; Short Communication ; Walking ; Walking Speed</subject><ispartof>Aging clinical and experimental research, 2023-02, Vol.35 (2), p.413-416</ispartof><rights>The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022</rights><rights>2022. 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The aim of this study was providing reference equations to estimate a person´s steady-state gait speed from gait speed measured with a test protocol including static start and/or stop. Methods Gait speed of 150 community-dwelling older adults (mean age 80.5 ± 4.5 years; 61% women) was measured over 4 m with different assessment protocols regarding start and stop of walking on an instrumented walkway. Reference equations to estimate steady-state gait speed from the results of other test protocols were calculated by regression analysis within a fivefold cross-validation. Results Mean absolute errors and the root mean squared errors of all reference equations ranged from 0.063 m/s to 0.074 m/s and 0.082 m/s to 0.096 m/s, respectively. 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The aim of this study was providing reference equations to estimate a person´s steady-state gait speed from gait speed measured with a test protocol including static start and/or stop. Methods Gait speed of 150 community-dwelling older adults (mean age 80.5 ± 4.5 years; 61% women) was measured over 4 m with different assessment protocols regarding start and stop of walking on an instrumented walkway. Reference equations to estimate steady-state gait speed from the results of other test protocols were calculated by regression analysis within a fivefold cross-validation. Results Mean absolute errors and the root mean squared errors of all reference equations ranged from 0.063 m/s to 0.074 m/s and 0.082 m/s to 0.096 m/s, respectively. 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subjects Age
Aged
Aged, 80 and over
Aging
Comorbidity
Female
Gait
Geriatrics/Gerontology
Humans
Independent Living
Male
Medicine
Medicine & Public Health
Older people
Regression analysis
Short Communication
Walking
Walking Speed
title Reference equations for harmonizing gait speed results of different test protocols in community-dwelling older adults
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