Curtin University Homepage
  • Library
  • Help
    • Admin

    espace - Curtin’s institutional repository

    JavaScript is disabled for your browser. Some features of this site may not work without it.
    View Item 
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item

    Minimal important difference in field walking tests in non-cystic fibrosis bronchiectasis following exercise training

    Access Status
    Open access via publisher
    Authors
    Lee, A.
    Hill, C.
    Cecins, N.
    Jenkins, Susan
    McDonald, C.
    Burge, A.
    Rautela, L.
    Stirling, R.
    Thompson, P.
    Holland, A.
    Date
    2014
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Lee, A. and Hill, C. and Cecins, N. and Jenkins, S. and McDonald, C. and Burge, A. and Rautela, L. et al. 2014. Minimal important difference in field walking tests in non-cystic fibrosis bronchiectasis following exercise training. Respiratory Medicine. 108 (9): pp. 1303-1309.
    Source Title
    Respiratory Medicine
    DOI
    10.1016/j.rmed.2014.07.006
    ISSN
    09546111
    School
    School of Physiotherapy
    URI
    http://hdl.handle.net/20.500.11937/7646
    Collection
    • Curtin Research Publications
    Abstract

    Background: The 6-min walk distance (6MWD) and incremental shuttle walk distance (ISWD) are clinically meaningful measures of exercise capacity in people with non-cystic fibrosis (CF) bronchiectasis, but the change in walking distance which constitutes clinical benefit is undefined. This study aimed to determine the minimal important difference for the 6MWD and ISWD in non-CF bronchiectasis. Methods: Thirty-seven participants with mean FEV1 70% predicted completed both field walking tests before and after an 8-week exercise program. The minimal important difference was calculated using a distribution-based and anchor-based method, with the global rating of change scale used. Results: The mean change in 6MWD in participants who reported themselves to be unchanged was 10 m, compared to 36 m (small change) and 45 m (substantial change) (p = 0.01). For the ISWD, the mean change in participants who reported themselves to be unchanged was 33 m, compared to 54 m (small change) and 73 m (substantial change) (p = 0.04). The anchor-based method defined the minimal important difference for 6MWD as 24.5 m (AUC 0.76, 95% CI 0.61–0.91) and for ISWD as 35 m (AUC 0.88, 95% CI 0.73–0.99), based on participant's global rating of change. The distribution-based method indicated a value of 22.3 m for the 6MWD and 37 m for the ISWD. There was excellent agreement between the two methods for the 6MWD (kappa = 0.91) and the ISWD (kappa = 0.92). Conclusions: Small changes in 6MWD and ISWD may represent clinically important benefits in people with non-CF bronchiectasis. These data are likely to assist in the interpretation of change in exercise capacity following intervention.

    Related items

    Showing items related by title, author, creator and subject.

    • Field Walking Tests Are Reliable and Responsive to Exercise Training in People With Non–Cystic Fibrosis Bronchiectasis
      Lee, A.; Cecins, N.; Holland, A.; Hill, C.; McDonald, C.; Burge, A.; Rautela, L.; Thompson, P.; Stirling, R.; Jenkins, Susan (2015)
      © 2015 Wolters Kluwer Health, Inc. All rights reserved. PURPOSE:: The 6-Minute Walk Test (6MWT) and Incremental Shuttle Walk Test (ISWT) are used to assess exercise capacity, but the reliability and responsiveness of these ...
    • Burden of disease and benefits of exercise in fixed airway obstruction asthma
      Turner, Sian Elizabeth (2009)
      Background and research questions. The characterization of chronic persistent asthma in an older adult population is not well defined. This is due to the difficulties in separating the diagnosis of asthma from that of ...
    • The minimal detectable difference for endurance shuttle walk test performance in people with COPD on completion of a program of high-intensity ground-based walking
      Hill, Kylie; Ng, Cindy; Wootton, S.; McKeough, Z.; Eastwood, Peter; Hillman, D.; Jenkins, C.; Spencer, L.; Jenkins, Sue; Cecins, N.; Alison, J. (2019)
      © 2018 Elsevier Ltd Background: In people with moderate-to-severe chronic obstructive pulmonary disease (COPD), the minimal detectable difference (MDD) in endurance shuttle walk test (ESWT) performance following exercise ...
    Advanced search

    Browse

    Communities & CollectionsIssue DateAuthorTitleSubjectDocument TypeThis CollectionIssue DateAuthorTitleSubjectDocument Type

    My Account

    Admin

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    Follow Curtin

    • 
    • 
    • 
    • 
    • 

    CRICOS Provider Code: 00301JABN: 99 143 842 569TEQSA: PRV12158

    Copyright | Disclaimer | Privacy statement | Accessibility

    Curtin would like to pay respect to the Aboriginal and Torres Strait Islander members of our community by acknowledging the traditional owners of the land on which the Perth campus is located, the Whadjuk people of the Nyungar Nation; and on our Kalgoorlie campus, the Wongutha people of the North-Eastern Goldfields.