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letter . 2020 Nov 17:ciaa1735. doi: 10.1093/cid/ciaa1735
The misleading “pooled effect estimate” of crude data from observational studies at critical risk of bias: The case of Tocilizumab in COVID-19
Imad M Tleyjeh
1,2,3,4,✉
Prof Imad M Tleyjeh, MD, MSc
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Infectious Diseases Section, Department of Medical Specialties King Fahad Medical City, Riyadh, Saudi Arabia
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Division of Infectious Diseases, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
3
Division of Epidemiology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
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College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
Find articles by Imad M Tleyjeh
1
Infectious Diseases Section, Department of Medical Specialties King Fahad Medical City, Riyadh, Saudi Arabia
2
Division of Infectious Diseases, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
3
Division of Epidemiology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
4
College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
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Corresponding Author: Imad M. Tleyjeh, MD, MSc, FACP, FIDSA, Professor of Medicine and Epidemiology, Section of Infectious Diseases, King Fahd Medical City, PO Box 59046, Riyadh 11525, Saudi Arabia, Tleyjeh.imad@mayo.edu
Received 2020 Oct 3.
© The Author(s) 2020. Published by Oxford University Press for the Infectious Diseases Society of America. All rights reserved. For permissions, e-mail: journals.permissions@oup.com.
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PMCID: PMC7717230 PMID: 33201228
See "Reply to Tleyjeh." with doi: 10.1093/cid/ciaa1736.