Key result
Maximal stair climbing performance strongly correlates with peak VO2 in men with chronic airflow obstruction.
Why the study?
Does symptom-limited maximal stair climbing accurately estimate peak VO2 and VE compared to standard leg cycle ergometry in men with chronic airflow obstruction?
Population
31 men with varying degrees of chronic airflow obstruction, including 8 patients with very severe CAO.
Comparison
Symptom-limited maximal stair climbing vs Standard leg cycle ergometry
Design
Cross-sectional
Authors
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Supports stair climbing as a potential low-cost VO2 surrogate in chronic airflow obstruction; hypothesis-generating pending validation versus ergometry.
Cross-Sectional (n=31)
Does symptom-limited maximal stair climbing accurately estimate peak VO2 and VE compared to standard leg cycle ergometry in men with chronic airflow obstruction?
Effect estimate: r = 0.72
p-value: p=<0.01
Symptom-limited maximal stair climbing is a simple, inexpensive test that correlates well with standard ergometry for estimating cardiopulmonary reserve in patients with chronic airflow obstruction.
Pollock et al. (1993) conducted a cross-sectional in Chronic airflow obstruction (CAO) (n=31). Symptom-limited stair climbing vs. Standard leg cycle ergometry was evaluated on Correlation of number of steps or flights climbed with peak VO2 (r = 0.72, p=<0.01). In men with chronic airflow obstruction, the number of steps or flights climbed during a symptom-limited maximal stair climb correlated linearly with peak VO2 (r = 0.72, p < 0.01).
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