Reliability, agreement, and responsiveness of a 6-minute walk/run test in patients with heart disease

European Journal of Preventive Cardiology
Danielle D BerghmansGeorge M Roox

Abstract

The 6-minute walk test (6 MWT) is widely used to assess exercise tolerance in cardiac rehabilitation (CR). However, previous research shows it to be insufficiently responsive, especially for patients with a relatively high maximal exercise tolerance at baseline. We therefore designed a 6-minute walk/run test (6 MWRT), which has the same duration as the 6 MWT but allows running. The objective of this study was to determine the test-retest reproducibility and responsiveness of this 6 MWRT. Responsiveness was investigated in a prospective cohort study among a group of patients entering CR at Maastricht University Medical Center, with a cross-sectional part to assess the test-retest reproducibility. Test-retest reproducibility (reliability and agreement) was investigated using the intraclass correlation (ICC) and a Bland-Altman plot of two measurements implemented in the first week of rehabilitation. Responsiveness of the 6 MWT and the 6 MWRT was calculated using the standard response mean (SRM) over a 6-week period. The first reproducibility analysis included 34 patients, the second 22 patients. The ICCs were 0.935 and 0.906, respectively, with limits of agreement of ± 79 and ± 61 m. The responsiveness analysis included 27 patient...Continue Reading

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Citations

Jan 9, 2016·European Journal of Preventive Cardiology·Kinga Węgrzynowska-TeodorczykMarek Woźniewski
Jun 18, 2021·Frontiers in Cardiovascular Medicine·Guozhen YuanYuanhui Hu

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Methods Mentioned

BETA
coronary artery bypass

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