Relationship between symptoms and health-related quality of life in chronic lung disease |
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Authors: | Jose Luis Viramontes MD MSc Dr. Bernie O’Brien PhD |
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Affiliation: | (1) the Clinical Epidemiology Unit, General Hospital of Mexico, National University of Mexico, Mexico City, Mexico;(2) Department of Clinical Epidemiology and Biostatistics, Faculty of Health Sciences, HSC-3H25, McMaster University, 1200 Main Street West, L8N 3Z5 Hamilton, Ontario, Canada |
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Abstract: | The authors studied the relationship between patient self-reported symptoms and responses to a general measure of health-related quality of life [Short Form 36 (SF-36)] for 102 patients who had chronic lung disease [forced expiratory volume in one second (FEV1)<70%]. The primary diagnoses were chronic bronchitis, emphysema, and asthma; the mean age was 62 years, and 46% were women. Based upon Medical Research Council (MRC) symptom scores, the patients’ disease severity was classified as mild (21%), moderate (22%), or severe (57%). The SF-36 scores differed significantly between disease severity groups in domains of health perception, physical functioning, physical role, and energy. The SF-36 physical functioning and Oxygen Cost Diagram scores correlated well (r=0.78). The authors conclude that SF-36 is a useful and valid measure of general health status in patients with chronic lung disorders. Supported in part by educational grants from Glaxo Canada, Inc., and Schering-Phlough Research Institute. This work was completed while Dr. Viramontes was an INCLEN graduate student at McMaster University sponsored by the Rockefeller Foundation. |
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Keywords: | chronic lung disease quality of life symptoms disease severity Short Form 36 |
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