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. 2021 Aug 5;8(2):e001681. doi: 10.1136/openhrt-2021-001681

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© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Multivariable models for the reduction in procedure volume at centres from March 2019 to (A) March 2020 and (B) April 2020. Population, GDP and COVID-19 deaths were log transformed for analysis (log10). Graphs show estimate of the beta coefficients and SE. * indicates a p value of <0.05. European regions were compared with Western Europe as the baseline. GDP, gross domestic product.