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Health status, dyspnea, lung function and exercise capacity in patients with chronic obstructive pulmonary disease.
Stavem, K; Boe, J; Erikssen, J.
Afiliación
  • Stavem K; HELTEF Foundation for Health Services Research, Nordbyhagen, Norway. knut.stavem@klinmed.uio.no
Int J Tuberc Lung Dis ; 3(10): 920-6, 1999 Oct.
Article en En | MEDLINE | ID: mdl-10524591
SETTING: A secondary hospital outside Oslo. OBJECTIVE: To assess relationships between health status and measures of dyspnea, lung function and exercise capacity in patients with chronic obstructive pulmonary disease (COPD), to identify dimensions where lung-specific instruments associate and discriminate better than general measures. DESIGN: We assessed health status in 59 out-patients with COPD, using the following instruments: Short Form 36 (SF-36)-a general health status measure, Respiratory Quality of Life Questionnaire (RQLQ)-a lung-specific measure, the Karnofsky performance scale, and a rating scale. All patients rated their dyspnea and had spirometry and exercise capacity measured. RESULTS: Mean (SD) patient age was 57.3 (9.7) years, FEV1 47% (15%) of predicted, 6 minute walk distance 503 m (122 m). Dyspnea was the strongest predictor for health status. Both SF-36 and RQLQ had dimensions associating well with dyspnea and exercise capacity. The associations with FEV1 ranged from none to moderate. CONCLUSION: All RQLQ scales had a moderate to substantial association with indices of dyspnea and exercise capacity, while the SF-36 associated well only in dimensions related to physical health. The general measure has a broader scope and complements the lung-specific measure. These findings support the construct validity of both the SF-36 and the RQLQ, and justify using a general measure to supplement a lung-specific measure.
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Bases de datos: MEDLINE Asunto principal: Estado de Salud / Tolerancia al Ejercicio / Disnea / Pulmón / Enfermedades Pulmonares Obstructivas Tipo de estudio: Prognostic_studies Límite: Adolescent / Adult / Aged / Female / Humans / Male / Middle aged Idioma: En Revista: Int J Tuberc Lung Dis Año: 1999 Tipo del documento: Article País de afiliación: Noruega
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Bases de datos: MEDLINE Asunto principal: Estado de Salud / Tolerancia al Ejercicio / Disnea / Pulmón / Enfermedades Pulmonares Obstructivas Tipo de estudio: Prognostic_studies Límite: Adolescent / Adult / Aged / Female / Humans / Male / Middle aged Idioma: En Revista: Int J Tuberc Lung Dis Año: 1999 Tipo del documento: Article País de afiliación: Noruega