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. 2021 Nov 20;22:298. doi: 10.1186/s12931-021-01887-6

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 2 — Patients hospitalized with pulmonary embolism per month. A Numbers of patients hospitalized with pulmonary embolism per month with a comparison between 2019 and 2020. B Monthly distribution (%) of patients hospitalized with COVID-19 or pulmonary embolism in 2020 (with COVID-19 or not) including error bars (error bars were calculated for each month but are not necessarily easily readable because the range of confidence intervals is small)