Measurement properties of step tests for exercise capacity in COPD: A systematic review.
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ABSTRACT: Objective
To determine the level of evidence of the measurement properties (validity, reliability, and responsiveness) and interpretability of the step tests available for assessing the exercise capacity in patients with chronic obstructive pulmonary disease.Data sources
The data sources Web of Science, MEDLINE, PubMed, PEDro, CENTRAL of Cochrane Library, and Scopus were searched up to June 26, 2020.Review methods
Studies of any design that reported results for any measurement property of the step tests for assessing the exercise capacity in COPD patients were selected. One reviewer extracted the data, and two reviewers independently rated the level of evidence by using the Consensus-Based Standards for the Selection of Health Measurements Instruments recommendations.Results
Thirty-one studies were included in the data synthesis. Chester Step Test, Modified Incremental Step Test, two-, three-, four-, and six-Minute Step Test, Paced Step Test, and six-Minute Stepper Test were identified. A step test protocol was also found. The level of evidence of their results for the measurement properties was mostly determined as "low" to "very low." The best level of evidence found was for the six-minute stepper test: "high" on construct validity (r = 0.56-0.71); and "moderate" on criterion validity (r = 0.36-0.69), and responsiveness (r = 0.26-0.34).Conclusion
The general level of evidence of the measurement properties of the step tests is "low" to "very low" for assessing exercise capacity in patients with chronic obstructive pulmonary disease, which can limit their application in clinical practice. The six-minute Stepper Test is currently the most appropriate step test available.
SUBMITTER: Vilarinho R
PROVIDER: S-EPMC8027930 | biostudies-literature |
REPOSITORIES: biostudies-literature
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