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. 2021 May 31;14(8):1021–1027. doi: 10.1016/j.jiph.2021.05.015

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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. 1 — Efficacy of tocilizumab on certain laboratory parameters of COVID-19 patients.

(a) Lymphocytes(X10⁹), D-dimer, ferritin and lactic acid dehydrogenase (LDH) levels through D14. The baseline is the day of initiation of tocilizumab (TCZ). The TCZ group is shown in red, the control in blue. Observations are shown for baseline, D3, D7, D10, and D14.

(b) C-reactive protein (CRP) in mg/L in the tocilizumab group at baseline, D3, D7, D10, and D14.