Step width variability as a discriminator of age-related gait changes

Journal of Neuroengineering and Rehabilitation
Andreas SkiadopoulosNicholas Stergiou

Abstract

There is scientific evidence that older adults aged 65 and over walk with increased step width variability which has been associated with risk of falling. However, there are presently no threshold levels that define the optimal reference range of step width variability. Thus, the purpose of our study was to estimate the optimal reference range for identifying older adults with normative and excessive step width variability. We searched systematically the BMC, Cochrane Library, EBSCO, Frontiers, IEEE, PubMed, Scopus, SpringerLink, Web of Science, Wiley, and PROQUEST databases until September 2018, and included the studies that measured step width variability in both younger and older adults during walking at self-selected speed. Data were pooled in meta-analysis, and standardized mean differences (SMD) with 95% confidence intervals (CI) were calculated. A single-decision threshold method based on the Youden index, and a two-decision threshold method based on the uncertain interval method were used to identify the optimal threshold levels (PROSPERO registration: CRD42018107079). Ten studies were retrieved (older adults = 304; younger adults = 219). Step width variability was higher in older than in younger adults (SMD = 1.15, 95%...Continue Reading

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Citations

Aug 12, 2020·Journal of Neuroengineering and Rehabilitation·M BannwartC A Easthope
Oct 14, 2021·Journal of Motor Behavior·Binnan Yu, Patricia Ann Kramer

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Software Mentioned

PROQUEST
R
metafor
GaitRite
meta
dmetar
GaitMat

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