Understanding and measuring symptoms and health status in asthma COPD overlap: content validity of the EXACT and SGRQ

Abstract Background Asthma-chronic obstructive pulmonary disease overlap (ACO) differs from asthma and chronic obstructive pulmonary disease (COPD) in demographics, phenotypic characteristics and outcomes, yet the patient experience of ACO is poorly characterized. We aimed to understand and compare...

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Bibliographic Details
Main Authors: Linda Nelsen, Adam Gater, Charlotte Panter, Chloe Tolley, Laurie Lee, Steven Pascoe
Format: Article
Language:English
Published: SpringerOpen 2018-04-01
Series:Journal of Patient-Reported Outcomes
Subjects:
Online Access:http://link.springer.com/article/10.1186/s41687-018-0038-5