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. 2022 Jan 10;23:15. doi: 10.1186/s13059-021-02589-4

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© The Author(s) 2022

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. 4 — Patients with pre-existing cardiomyopathy show an increased mortality rate. A Kaplan-Meier curve of COVID19 patients with pre-existing cardiomyopathy (N = 43), patients with other pre-existing cardiovascular diseases (N = 624), and patients without cardiovascular diseases (N = 3269). P values are from Cox proportional-hazards models, controlling for differences in the demographics and non-cardiovascular conditions between the groups. B Kaplan-Meier curve of COVID19 patients with pre-existing cardiomyopathy (N = 43) and a cohort of propensity score-matched patients with other pre-existing cardiovascular diseases (N = 344). P values are from a log-rank test. C Kaplan-Meier curve of COVID-19-negative patients with pre-existing cardiomyopathy (N = 2250) and a cohort of propensity score-matched patients with other pre-existing cardiovascular diseases (N = 18,000). P values are from a log-rank test