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Impact and factors associated with nighttime and early morning symptoms among patients with chronic obstructive pulmonary disease

Authors Stephenson JJ, Cai Q, Mocarski M, Tan H, Doshi JA, Sullivan SD

Received 21 October 2014

Accepted for publication 26 December 2014

Published 17 March 2015 Volume 2015:10(1) Pages 577—586

DOI https://doi.org/10.2147/COPD.S76157

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Dr Richard Russell

Judith J Stephenson,1 Qian Cai,1 Michelle Mocarski,2 Hiangkiat Tan,1 Jalpa A Doshi,3 Sean D Sullivan4

1HealthCore, Inc., Wilmington, DE, USA; 2Forest Research Institute, Inc., an affiliate of Actavis, Inc., Jersey City, NJ, USA; 3University of Pennsylvania, Philadelphia, PA, USA; 4University of Washington, Seattle, WA, USA

Abstract: Patients with chronic obstructive pulmonary disease (COPD) exhibit poor sleep quality and consider morning as the worst time of day for their symptoms. While work has been done to characterize nighttime (NT) and early morning (EM) symptoms in various populations, the impact and factors associated with NT/EM symptoms among patients with COPD in the United States is not well understood. Commercially insured patients aged ≥40 years with one or more medical claim for COPD and one or more pharmacy claim for COPD maintenance medication were identified from the HealthCore Integrated Research Database between September 1, 2010 and August 31, 2011. Consenting respondents were asked whether they had COPD symptoms on at least three nights or at least three mornings during the past week. Respondents were then either assigned to one of three symptom groups to complete the survey or excluded if their predefined group quota limit had been met. Survey completers completed the survey with questions about COPD symptoms and other commonly used patient-reported outcome measures. Respondents with NT/EM symptoms were asked about the frequency, severity, and impact of the symptoms on sleep, morning activities, and anxiety levels. Among respondents with symptoms, 73.1% of respondents with NT symptoms (N=376) and 83% of respondents with EM symptoms (N=506) experienced at least three distinct types of symptoms over the past week, with cough being the most frequently reported symptom. Approximately half of respondents with NT or EM symptoms perceived their symptoms as moderate to very severe, with a majority reporting their symptoms affected their NT sleep and morning activities, and more than half felt anxious due to their symptoms. Multinomial logistic regression showed COPD patients with both or either NT/EM symptoms were associated with poorer health status compared to those without. Improved disease management may reduce NT/EM symptoms and improve health status in patients with COPD.

Keywords: chronic airflow obstruction, chronic limitation of activity, quality of life, sleep

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