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

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  • Michael J Duncan
  • Jorge Mota
  • Joana Carvalho
  • Alan M Nevill

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

Suggested Citation

  • Michael J Duncan & Jorge Mota & Joana Carvalho & Alan M Nevill, 2015. "An Evaluation of Prediction Equations for the 6 Minute Walk Test in Healthy European Adults Aged 50-85 Years," PLOS ONE, Public Library of Science, vol. 10(9), pages 1-9, September.
    • Handle: RePEc:plo:pone00:0139629
    DOI: 10.1371/journal.pone.0139629
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