Differences in walking pattern during 6-min walk test between patients with COPD and healthy subjects.

<h4>Background</h4>To date, detailed analyses of walking patterns using accelerometers during the 6-min walk test (6MWT) have not been performed in patients with chronic obstructive pulmonary disease (COPD). Therefore, it remains unclear whether and to what extent COPD patients have an a...

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Autores principales:	Janneke Annegarn, Martijn A Spruit, Hans H C M Savelberg, Paul J B Willems, Coby van de Bool, Annemie M W J Schols, Emiel F M Wouters, Kenneth Meijer
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/38df76bad6cb43e2aace164da3595150
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spelling	oai:doaj.org-article:38df76bad6cb43e2aace164da35951502021-11-18T07:18:09ZDifferences in walking pattern during 6-min walk test between patients with COPD and healthy subjects.1932-620310.1371/journal.pone.0037329https://doaj.org/article/38df76bad6cb43e2aace164da35951502012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22624017/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>To date, detailed analyses of walking patterns using accelerometers during the 6-min walk test (6MWT) have not been performed in patients with chronic obstructive pulmonary disease (COPD). Therefore, it remains unclear whether and to what extent COPD patients have an altered walking pattern during the 6MWT compared to healthy elderly subjects.<h4>Methodology/principal findings</h4>79 COPD patients and 24 healthy elderly subjects performed the 6MWT wearing an accelerometer attached to the trunk. The accelerometer features (walking intensity, cadence, and walking variability) and subject characteristics were assessed and compared between groups. Moreover, associations were sought with 6-min walk distance (6MWD) using multiple ordinary least squares (OLS) regression models. COPD patients walked with a significantly lower walking intensity, lower cadence and increased walking variability compared to healthy subjects. Walking intensity and height were the only two significant determinants of 6MWD in healthy subjects, explaining 85% of the variance in 6MWD. In COPD patients also age, cadence, walking variability measures and their interactions were included were significant determinants of 6MWD (total variance in 6MWD explained: 88%).<h4>Conclusions/significance</h4>COPD patients have an altered walking pattern during 6MWT compared to healthy subjects. These differences in walking pattern partially explain the lower 6MWD in patients with COPD.Janneke AnnegarnMartijn A SpruitHans H C M SavelbergPaul J B WillemsCoby van de BoolAnnemie M W J ScholsEmiel F M WoutersKenneth MeijerPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 5, p e37329 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Janneke Annegarn Martijn A Spruit Hans H C M Savelberg Paul J B Willems Coby van de Bool Annemie M W J Schols Emiel F M Wouters Kenneth Meijer Differences in walking pattern during 6-min walk test between patients with COPD and healthy subjects.
description	<h4>Background</h4>To date, detailed analyses of walking patterns using accelerometers during the 6-min walk test (6MWT) have not been performed in patients with chronic obstructive pulmonary disease (COPD). Therefore, it remains unclear whether and to what extent COPD patients have an altered walking pattern during the 6MWT compared to healthy elderly subjects.<h4>Methodology/principal findings</h4>79 COPD patients and 24 healthy elderly subjects performed the 6MWT wearing an accelerometer attached to the trunk. The accelerometer features (walking intensity, cadence, and walking variability) and subject characteristics were assessed and compared between groups. Moreover, associations were sought with 6-min walk distance (6MWD) using multiple ordinary least squares (OLS) regression models. COPD patients walked with a significantly lower walking intensity, lower cadence and increased walking variability compared to healthy subjects. Walking intensity and height were the only two significant determinants of 6MWD in healthy subjects, explaining 85% of the variance in 6MWD. In COPD patients also age, cadence, walking variability measures and their interactions were included were significant determinants of 6MWD (total variance in 6MWD explained: 88%).<h4>Conclusions/significance</h4>COPD patients have an altered walking pattern during 6MWT compared to healthy subjects. These differences in walking pattern partially explain the lower 6MWD in patients with COPD.
format	article
author	Janneke Annegarn Martijn A Spruit Hans H C M Savelberg Paul J B Willems Coby van de Bool Annemie M W J Schols Emiel F M Wouters Kenneth Meijer
author_facet	Janneke Annegarn Martijn A Spruit Hans H C M Savelberg Paul J B Willems Coby van de Bool Annemie M W J Schols Emiel F M Wouters Kenneth Meijer
author_sort	Janneke Annegarn
title	Differences in walking pattern during 6-min walk test between patients with COPD and healthy subjects.
title_short	Differences in walking pattern during 6-min walk test between patients with COPD and healthy subjects.
title_full	Differences in walking pattern during 6-min walk test between patients with COPD and healthy subjects.
title_fullStr	Differences in walking pattern during 6-min walk test between patients with COPD and healthy subjects.
title_full_unstemmed	Differences in walking pattern during 6-min walk test between patients with COPD and healthy subjects.
title_sort	differences in walking pattern during 6-min walk test between patients with copd and healthy subjects.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/38df76bad6cb43e2aace164da3595150
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Differences in walking pattern during 6-min walk test between patients with COPD and healthy subjects.

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