• Daiana Stolz, Konstantinos Kostikas, Emil Loefroth, Robert Fogel, Florian S Gutzwiller, Valentino Conti, Hui Cao, and Andreas Clemens.
• Clinic of Respiratory Medicine and Pulmonary Cell Research, University Hospital, Basel, Switzerland.
• Chest. 2019 Oct 1; 156 (4): 674-684.

BackgroundHistorically, COPD has been considered to affect mostly older men with a history of smoking; however, in recent times, its prevalence and mortality rates have steadily increased among women.ObjectivesThe goal of this study was to systematically assess differences in COPD expression between women and men in UK primary care clinics who were newly diagnosed with COPD.MethodsThis retrospective cohort study compared women and men with an incident diagnosis of COPD by using electronic medical records data from the Clinical Practice Research Datalink and linked Hospital Episode Statistics data. The overall study period was between January 1, 2006, and February 28, 2016; patients with an incident diagnosis of COPD between January 1, 2010, and February 28, 2015, were analyzed.ResultsA cohort of 22,429 patients were identified as incident patients and included in the study; 48% of patients with COPD were women. The risk of first moderate or severe exacerbation was 17% greater in women than in men (hazard ratio, 1.17; 95% CI, 1.12-1.23), with a median time to first exacerbation of 504 days for women and 637 days for men. These differences were more prominent in the younger age group (≥ 40 years to < 65 years), as well as in Global Initiative for Chronic Obstructive Lung Disease 2016 groups B, C, and D and in individuals with moderate to severe airflow obstruction. The annual rate of moderate or severe exacerbations was higher in women compared with men in the first, second, and third year of follow-up.ConclusionsThese results highlight the unmet need for appropriate identification and management of women with COPD in clinical practice.Copyright © 2019 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.

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