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Exercise testing is useful to assess the degree of disability, prognosis for survival, presence of exercise-induced hypoxemia, and response to treatment in individuals with chronic obstructive pulmonary disease. Simple walking tests have been developed and are increasingly used in assessment of chronic obstructive pulmonary disease patients for clinical and research purposes. This article reviews how these tests are performed and to what degree they are reliable, and how these tests are used in assessment of individuals with chronic obstructive pulmonary disease.
Brown et al. (Mon,) studied this question.