Population
68 patients with chronic obstructive pulmonary disease stratified according to pulmonary function, and 89…
Design
Cross-sectional
Authors
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Suggests physical-psychosocial dissociation in severe COPD; leaves open longitudinal validation of generic questionnaires for earlier stages.
Generic self-assessment questionnaires are of limited value for detecting early consequences of COPD but can discriminate between patients with different levels of pulmonary dysfunction in later stages.
Engström et al. (1996) studied this question.
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