Improvement of exercise tolerance has been estimated from incremental exercise tests, constant work rate tests, or free walking tests. In the following, pooled data are presented as a reasonable estimate of the anticipated effects of rehabilitation programs. Although clinically these programs differed in terms of duration, number of sessions, training intensity, and so on (factors that are discussed below), statistical heterogeneity was not significant (24): for maximal work rate Q = 4.9, p = 0.55; for peak oxygen uptake Q = 11.8, p = 0.22; for constant work rate tests Q = 3.55, p = 0.47; and for the 6-minute walking test Q = 14.5, p = 0.2. (Контекст из статьи "Pulmonary Rehabilitation in Chronic Obstructive Pulmonary Disease").

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maximal work rate - максимальная физическая нагрузка