An Evaluation of Prediction Equations for the 6 Minute Walk Test in Healthy European Adults Aged 50-85 Years

Michael J Duncan, Jorge Mota, Joana Carvalho and Alan M Nevill

PLOS ONE, 2015, vol. 10, issue 9, 1-9

Abstract: Objective: This study compared actual 6 minute walk test (6MWT) performance with predicted 6MWT using previously validated equations and then determined whether allometric modelling offers a sounder alternative to estimating 6MWT in adults aged 50–80 years. Methods: We compared actual 6MWT performance against predicted 6MWT in 125 adults aged 50–85 years (62 male, 63 female). In a second sample of 246 adults aged 50–85 years (74 male, 172 female), a new prediction equation for 6MWT performance was developed using allometric modelling. This equation was then cross validated using the same sample that the other prediction equations were compared with. Results: Significant relationships were evident between 6MWT actual and 6MWT predicted using all of the commonly available prediction equations (all P 0.05). A series of paired t-tests indicated significant differences between 6MWT actual and 6MWT predicted for all available prediction equations (all P

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0139629

DOI: 10.1371/journal.pone.0139629

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