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Insufficient data are available on comprehensive evaluation of demographics, symptoms or signs, laboratory findings, and disease course in patients with coronavirus disease 2019 (COVID-19) and chronic obstructive pulmonary disease (COPD). We aimed to evaluate whether COPD patients are more prone to severe COVID-19 compared with those without COPD. We also investigate the clinical characteristics and disease course of COVID-19 in patients with COPD versus those without COPD. Patients were selected from a Korean nationwide cohort of 5,628 patients with confirmed COVID-19 and who had completed treatment or quarantine by April 30, 2020; 3,673 patients aged 40 years or older were included in this study. COPD was diagnosed using patient reports of physician-diagnosed COPD. During the study period, all patients with COVID-19 in Korea were hospitalized following the national health policy. Of the study participants, 38 (1.0%) had COPD. Regarding initial symptoms, COPD patients with COVID-19 showed greater sputum production (50.0% vs. 29.8%, p &lt; 0.01) and dyspnea (36.8% vs. 14.9%, p &lt; 0.01) than those without COPD. In addition, patients with COPD were more likely to receive oxygen therapy or non-invasive ventilation (29.0% vs. 13.7%, p = 0.01) and had a higher mortality (21.1% vs. 6.4%, p &lt; 0.01) than those without COPD. After adjusting for age, sex, body mass index, and comorbidities, COPD patients showed increased risk of severe COVID-19 compared with those without COPD. Our nationwide study showed that COVID-19 patients with COPD have higher symptomatic burden and more severe disease course than those without COPD.

tohoku journal of experimental medicine

Chronic Obstructive Pulmonary Disease is Associated with a More Symptomatic Burden and Severe Presentation of COVID-19: A Korean National COVID-19 Cohort Study