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Woo Ho Ban,1 Hyonsoo Joo,1 Jeong Uk Lim,1 Hyeon Hui Kang,2 Hwa Sik Moon,2 Sang Haak Lee2 1Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea; 2Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, St Paul’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea Introduction: The detection of insomnia in patients with COPD is assumed to be significantly lower than the actual prevalence. In this study, we investigated the prevalence of insomnia and the relationship between insomnia and health status in patients with COPD using two fairly simple and straightforward questionnaires: COPD assessment test (CAT) and insomnia severity index (ISI). Patients and methods: A cross-sectional study was conducted using data from patients undergoing treatment for COPD at St Paul’s Hospital, The Catholic University of Korea, between December 2015 and August 2016. Patients were classified into three groups according to the ISI score: a “clinical insomnia” group (ISI≥15), a “subthreshold insomnia” group (ISI 8–15), and a “non-insomnia” group (ISI14, giving a sensitivity and specificity of 66.7% and 71.5%, respectively. Conclusion: CAT score was closely related to insomnia severity in patients with COPD. The use of CAT scores to assess for the presence and severity of insomnia in these patients may allow for better detection and management and improve clinical practice. Keywords: chronic obstructive, maintenance disorders, pulmonary disease, sleep initiation |
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