Su Zhan, Frank J Cerny, William J Gibbons, M Jeffery Mador, Yow-Wu Wu
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引用次数: 64
Abstract
Background: Unsupported arm exercise tests have been used to evaluate the effects of pulmonary rehabilitation in patients with chronic obstructive pulmonary disease (COPD), but the reliability and validity of these tests are not established.
Objective: We evaluated the test-retest reliability and validity of a 6-minute pegboard and ring test (PBRT) in 27 outpatients with COPD and 30 age-matched controls.
Methods: We evaluated a 6-minute PBRT, subject demographics, pulmonary function and disease-specific quality of life questionnaire, and the Pulmonary Functional Status Dyspnea Questionnaire-Modified version in 27 patients with COPD.
Results: Highly significant correlation coefficients (r = .91, P < .001) were found between test and retest of PBRT scores. Statistically significant correlation coefficients were found between PBRT scores and pulmonary function tests such as FEV1% pred and FVC% pred, and activity domain and subdomain of Pulmonary Functional Status Dyspnea Questionnaire-Modified (P
Conclusion: PBRT is a reliable and valid method to assess unsupported arm exercise endurance in patients with COPD.
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