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Research Article

Reduction of Severe Exacerbations of COPD during COVID-19 Pandemic in Portugal: A Protective Role of Face Masks?

Nuno Fariaa Department of Pulmonology, Centro Hospitalar e Universitário do Porto, Porto, Portugal;b Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, PortugalCorrespondence[email protected]

https://orcid.org/0000-0002-7392-8665

Maria Inês Costaa Department of Pulmonology, Centro Hospitalar e Universitário do Porto, Porto, Portugal;b Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal

Joana Gomesa Department of Pulmonology, Centro Hospitalar e Universitário do Porto, Porto, Portugal

Maria Sucenaa Department of Pulmonology, Centro Hospitalar e Universitário do Porto, Porto, Portugal

Figures & data

Figure 1. Patient selection flowchart.

Table 1. Demographic, clinical and functional characteristics at baseline of the overall COPD population and of individuals with at least one severe acute exacerbation of COPD (sAECOPD) event for each year of follow-up.

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Table 2. Number of severe acute exacerbation of COPD (sAECOPD) and of patients with sAECOPD in each year of follow-up.

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Figure 2. Total number of severe AECOPD events per month of follow-up.

Table 3. Mean sAECOPD per patient in each year and comparison with 2020.

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Table 4. Mean sAECOPD per patient between May and July of each year and comparison with 2020.

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Reduction of Severe Exacerbations of COPD during COVID-19 Pandemic in Portugal: A Protective Role of Face Masks?

Table 1. Demographic, clinical and functional characteristics at baseline of the overall COPD population and of individuals with at least one severe acute exacerbation of COPD (sAECOPD) event for each year of follow-up.

Table 2. Number of severe acute exacerbation of COPD (sAECOPD) and of patients with sAECOPD in each year of follow-up.

Table 3. Mean sAECOPD per patient in each year and comparison with 2020.

Table 4. Mean sAECOPD per patient between May and July of each year and comparison with 2020.

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Reduction of Severe Exacerbations of COPD during COVID-19 Pandemic in Portugal: A Protective Role of Face Masks?

Figures & data

Table 1. Demographic, clinical and functional characteristics at baseline of the overall COPD population and of individuals with at least one severe acute exacerbation of COPD (sAECOPD) event for each year of follow-up.

Table 2. Number of severe acute exacerbation of COPD (sAECOPD) and of patients with sAECOPD in each year of follow-up.

Table 3. Mean sAECOPD per patient in each year and comparison with 2020.

Table 4. Mean sAECOPD per patient between May and July of each year and comparison with 2020.

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