Evidence map›Paper›PMID 33560467›Full record

ReviewAnnals of biomedical engineering2021

Entropy Analysis in Gait Research: Methodological Considerations and Recommendations.

Jennifer M Yentes, Peter C Raffalt

Abstract readReview
In one paragraph

Review in Annals of biomedical engineering, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.

0numbers the graph read from it
0cells of the map it votes in
51citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

51 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Jennifer M YentesCenter for Research in Human Movement Variability, University of Nebraska at Omaha, 6160 University Drive South, Omaha, NE, 68182-0860, USA. jyentes@gmail.com.ORCID http://orcid.org/0000-0001-6550-7759
Peter C RaffaltDepartment of Physical Performance, Norwegian School of Sport Sciences, Sognsveien 220, 0806, Oslo, Norway.

Funding

Visual control of locomotion in people with Parkinsons diseaseP20GM109090 · NIGMS · UNIVERSITY OF NEBRASKA OMAHA · PI MANGALAM, MADHUR · 2014 to 2023
$20.5M
Improving exercise capacity in chronic obstructive pulmonary disease patients through uphill walkingI21RX003294 · VA · OMAHA VA MEDICAL CENTER · PI ROMBERGER, DEBRA J · 2020 to 2022
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NHLBI NIH HHS L30 HL129255NIGMS NIH HHS P20 GM109090RRD VA I21 RX003294
6 · The paper itself

Abstract

The usage of entropy analysis in gait research has grown considerably the last two decades. The present paper reviews the application of different entropy analyses in gait research and provides recommendations for future studies. While single-scale entropy analysis such as approximate and sample entropy can be used to quantify regularity/predictability/probability, they do not capture the structural richness and component entanglement characterized by a complex system operating across multiple spatial and temporal scales. Thus, for quantification of complexity, either multiscale entropy or refined composite multiscale entropy is recommended. For both single- and multiscale-scale entropy analyses, care should be made when selecting the input parameters of tolerance window r, vector length m, time series length N and number of scales. This selection should be based on the proposed research question and the type of data collected and not copied from previous studies. Parameter consistency should be investigated and published along with the main results to ensure transparency and enable comparisons between studies. Furthermore, since the interpretation of the absolute size of both single- and multiscale entropy analyses outcomes is not straightforward, comparisons should always be made with a control condition or group.

Indexed as

EntropyAlgorithmsGait AnalysisHumansComplexityMultiscaleRegularitySingle-scaleWalking dynamics

Identifiers

PMID33560467
PMCPMC8051436

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.