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...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2018-04-01
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Series: | Journal of Patient-Reported Outcomes |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1186/s41687-018-0038-5 |