The Relationship Between 24-Hour Symptoms and COPD Exacerbations and Healthcare Resource Use : Results from an Observational Study (ASSESS)
This observational study assessed the relationship between nighttime, early-morning and daytime chronic obstructive pulmonary disease (COPD) symptoms and exacerbations and healthcare resource use. COPD symptoms were assessed at baseline in patients with stable COPD using a standardised questionnaire during routine clinical visits. Information was recorded on exacerbations and healthcare resource u
