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Mortality in GOLD stages of COPD and its dependence on symptoms of chronic bronchitis
BACKGROUND: The GOLD classification of COPD severity introduces a stage 0 (at risk) comprising individuals with productive cough and normal lung function. The aims of this study were to investigate total mortality risks in GOLD stages 0–4 with special focus on stage 0, and furthermore to assess the...
| Autores principales: | , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2005
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1224873/ https://www.ncbi.nlm.nih.gov/pubmed/16120227 http://dx.doi.org/10.1186/1465-9921-6-98 |