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Predictive factors over time of health-related quality of life in chronic obstructive pulmonary disease patients
Background: Health-related quality of life (HRQoL) should be seen as a tool that provides an overall view of the general clinical condition of a COPD patient. The aims of this study were to identify variables associated ...
Chronic obstructive pulmonary disease subtypes. transitions over time
Background Although subtypes of chronic obstructive pulmonary disease are recognized, it is unknown what happens to these subtypes over time. Our objectives were to assess the stability of cluster-based subtypes in patients ...