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1. Citation: Johnston, K. N., Potter, A. J., & Phillips, A. (2017). Measurement properties of short lower extremity functional exercise tests in people with chronic obstructive pulmonary disease: Systematic review. Physical Therapy, 97(9), 926-943.
Keywords: Ambulation, COPD, exercise, functional evaluation, limbs, literature reviews, measurements, outcomes, performance standards, physical therapy, pulmonary function, tests
Abstract: Study systematically reviewed the available evidence regarding the psychometric properties (reliability, validity, and responsiveness) of short lower-extremity functional exercise tests, specifically tests of less than 6 minutes in duration, in people with chronic obstructive pulmonary disease (COPD). Five databases (MEDLINE, Embase, Scopus, AMED, and CINAHL) were searched for studies reporting psychometric properties of short functional exercise tests in people with COPD. Two reviewers independently extracted data and rated the quality of each measurement property using the COnsensus-based Standards for the Selection of Health Measurement INstrument (COSMIN). Twenty-nine studies were identified reporting properties of 11 different tests. Four-meter gait speed and 5 repetition sit-to-stand demonstrated high reliability (intraclass correlation coefficients = .95–.99; .97) with no learning effect (COSMIN study ratings = good–excellent). Their validity for use as a stratification tool anchored against an established prognostic indicator (receiver operator characteristics area under the curve [AUC] = 0.72–0.87; 0.82) and responsiveness to change after pulmonary rehabilitation was greatest in more frail people with COPD. Studies of the Timed Up and Go test support use of a practice test and show discriminative ability to detect falls history and low six-minute walk distance (AUC = 0.77; 0.82, COSMIN ratings = fair–excellent). Limited data of lower study quality was identified for step tests and the Two-Minute Walk Test. Findings suggest selected short functional exercise tests can complement established exercise capacity measures in stratification and measuring responsiveness to change, especially in people with COPD and lower functional ability.
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Record Updated:2018-10-29

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