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. 2021 Feb 18;20(4):102778. doi: 10.1016/j.autrev.2021.102778

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Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Fig. 1 — Meta-analysis and subgroup analysis of the rates of hospitalization, oxygen support, ICU admission and fatality in COVID-19 infected patients with rheumatic diseases in different continents, excluding the studies only recruiting hospitalized patients.

A: the rates of hospitalization. B: the rates of oxygen support. C: the rates of ICU admission. D: the rates of fatality.

Overall: meta-analysis of the rates in Asia, Europe and North America.

Subtotal: subgroup meta-analysis of the rates in different continents.