Observational studyAmerican journal of epidemiology2022
Social Distancing in Relation to Severe Exacerbations of Chronic Obstructive Pulmonary Disease: A Nationwide Semi-Experimental Study During the COVID-19 Pandemic.
Observational study in American journal of epidemiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 20 citations in OpenAlex.
- The Indirect Impact of COVID-19 Pandemic on Mortality, Complications, and Healthcare Utilization Among Patients With Chronic Respiratory Diseases in Hong Kong: An Interrupted Time Series Analysis.Journal of evidence-based medicine · 2025Article
- Risk of acute exacerbation of chronic obstructive pulmonary disease after COVID-19 recovery: a nationwide population-based cohort study.Respiratory research · 2025Article
- Effect of the Covid-19 pandemic on hospitalizations for non-Covid-19-pneumonia and exacerbations of chronic obstructive pulmonary diseases in Switzerland: comparison of national data between 2020/2021 and 2015-2019.Pneumonia (Nathan Qld.) · 2024Article
- Triple Therapy in COPD in Real Life: Is It Better to Use Single or Multiple Inhalers?Journal of clinical medicine · 2024Article
- Impact of the COVID-19 Pandemic on COPD Patient Mortality: A Nationwide Study in France.International journal of public health · 2024Article
- Incidence of community-acquired pneumonia hospitalisation in persons with bronchiectasis during the COVID-19 lockdown in Denmark: a retrospective cohort study.BMJ open respiratory research · 2023Article
- Article
- Reduction in Hospital Admissions for Asthma and COPD During the First Year of COVID-19 Pandemic in Spain.Archivos de bronconeumologia · 2023Article
- COPD Phenotyping.Respiratory care · 2023Review
- Impact of Coronavirus Disease 2019-Related Infection Prevention and Control Measures on the Occurrence of COPD Exacerbations During Inpatient Pulmonary Rehabilitation.Chronic obstructive pulmonary diseases (Miami, Fla.) · 2023Article
- What happened to non-SARS-CoV-2 respiratory diseases during the pandemic?Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia · 2023Article
- Article
- Hospital Admission Rates in Patients with COPD Throughout the COVID-19 Pandemic.International journal of chronic obstructive pulmonary disease · 2023Article
- The Impact of Social Distancing in 2020 on Admission Rates for Exacerbations in Asthma: A Nationwide Cohort Study.The journal of allergy and clinical immunology. In practice · 2022Article
- Hospital admissions and mortality for acute exacerbations of COPD during the COVID-19 pandemic: A nationwide study in France.Frontiers in medicine · 2022Article
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Social distancing measures introduced on March 12, 2020, in Denmark during the COVID-19 pandemic may affect non-COVID-19 admissions for severe acute exacerbation of chronic obstructive pulmonary disease (s-AECOPD). We compared rates of s-AECOPD in a nationwide, observational, semi-experimental cohort study using data from all Danish inhabitants between calendar week 1 through 25 in 2019 and 2020. In a sub-cohort of patients with chronic obstructive pulmonary disease, we examined incidence of s-AECOPD, admissions to an intensive care unit, and all-cause mortality. A total of 3.0 million inhabitants aged ≥40 years, corresponding to 3.0 million person-years, were followed for s-AECOPD. In the social distancing period in 2020, there were 6,212 incidents of s-AECOPD, compared with 11,260 incidents in 2019, resulting in a 45% relative risk reduction. In the cohort with chronic obstructive pulmonary disease (n = 16,675), we observed a lower risk of s-AECOPD in the social distancing period (subdistribution hazard ratio (HR) = 0.34, 95% confidence interval (CI): 0.33, 0.36; absolute risk: 25.4% in 2020 and 42.8% in 2019). The risk of admissions to an intensive care unit was reduced (subdistribution HR = 0.64, 95% CI: 0.47, 0.87), as was all-cause mortality (HR = 0.83, 95% CI: 0.76, 0.90). Overall, the social distancing period was associated with a significant risk reduction for hospital admittance with s-AECOPD.
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