ArticlePediatric pulmonology2022
Feasibility of the A-STEP for the assessment of exercise capacity in people with cystic fibrosis.
Article in Pediatric pulmonology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Clinimetric properties of field exercise tests in cystic fibrosis: a systematic review.European respiratory review : an official journal of the European Respiratory Society · 2024Pooled it
- Validity of Alfred Step Test Exercise Protocol (A-STEP) as a Surrogate VOCanadian respiratory journal · 2026Article
- Feasibility of the A-STEP for the assessment of exercise capacity in people with cystic fibrosis.Pediatric pulmonology · 2022Article
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesTo evaluate feasibility of the Alfred Step Test Exercise Protocol (A-STEP) for the assessment of exercise capacity in adults and children with cystic fibrosis (CF); in adults to test whether demographics and/or lung function correlated with exercise capacity.
methodsAdults and children with stable CF from two centres completed the A-STEP (a recently developed incremental maximal-effort step test). Feasibility was evaluated by: usefulness for exercise capacity assessment (measures of exercise capacity were: level reached, exercise-induced desaturation, and achievement of at least one maximal effort criteria); safety; operational factors; time to complete; floor and/or ceiling effects. We used multiple linear regression to test whether demographics and/or lung function correlated with exercise capacity.
resultsA total of 49 participants: 38 adults (18 male), percent predicted (pp) forced expiration in one second (FEV
conclusionIn adults and children with stable CF, the A-STEP was feasible, safe, and operationally easy to use for the assessment of exercise capacity, without floor or ceiling effects. In adults, lung function correlated with exercise capacity.
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