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. 2022 Nov 23;10:1027926. doi: 10.3389/fpubh.2022.1027926

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Copyright © 2022 Jiang, Zhao, Cheng, Lin, Li, Ning and Zhang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Correlation analysis of regional CA volume alterations in major centers or secondary centers in 2020 or 2021 relative to 2019 and the corresponding number of new COVID-19 cases. (A) Scattered plot for CA volume alterations in major centers in 2020 relative to 2019 and the corresponding number of new COVID-19 cases in each province in 2020. (B) Scattered plot for CA volume alterations in major centers in 2021 relative to 2019 and the corresponding number of new COVID-19 cases in each province in 2021. (C) Scattered plot for CA volume alterations in secondary centers in 2020 relative to 2019 and the corresponding number of new COVID-19 cases in each province in 2020. (D) Scattered plot for CA volume alterations in secondary centers in 2021 relative to 2019 and the corresponding number of new COVID-19 cases in each province in 2021. The major centers denote the top three hospitals according to the CA volume in each province. The secondary centers denote hospitals other than the top three hospitals in each province. CA, catheter ablation; COVID-19, Coronavirus Disease 2019.