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. 2021 Mar 12;97:107569. doi: 10.1016/j.intimp.2021.107569

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© 2021 The Authors

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. 4 — Kinetic analysis of LY, LY%, IL-6 and IL-6/LY in COVID-19 patients. The counts of LY (A), LY% (B), IL-6 (C), and IL-6/LY (D) in the peripheral blood of non-ICU COVID-19 patients (blue line) and ICU COVID-19 patients (red line) were analyzed at different time points during the time of hospitalization. Error bars, mean ± SE; *P < 0.050. LY: lymphocyte; LY%: lymphocyte percentage; IL-6: interleukin-6; IL-6/LY: interleukin-6 to lymphocyte ratio; ICU: intensive care unit; COVID-19: coronavirus disease 2019.