Chronologic Bias, Confounding by Indication, and COVID-19 Care

Affiliations

¹ Boston Medical Center, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI. Electronic address: kevin.keller@bmc.org.
² Department of Veterans Affairs Center for Clinical Management Research, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI.

Comment

Kevin Keller et al. Chest. 2021 Jul.

. 2021 Jul;160(1):e86-e87.

doi: 10.1016/j.chest.2021.01.087.

¹ Boston Medical Center, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI. Electronic address: kevin.keller@bmc.org.
² Department of Veterans Affairs Center for Clinical Management Research, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI.

No abstract available

Comment in

Response.
Cepelowicz-Rajter J, Rajter JJ, Sherman M. Cepelowicz-Rajter J, et al. Chest. 2021 Jul;160(1):e87-e88. doi: 10.1016/j.chest.2021.03.012. Chest. 2021. PMID: 34246398 Free PMC article. No abstract available.

Use of Ivermectin Is Associated With Lower Mortality in Hospitalized Patients With Coronavirus Disease 2019: The Ivermectin in COVID Nineteen Study.
Rajter JC, Sherman MS, Fatteh N, Vogel F, Sacks J, Rajter JJ. Rajter JC, et al. Chest. 2021 Jan;159(1):85-92. doi: 10.1016/j.chest.2020.10.009. Epub 2020 Oct 13. Chest. 2021. PMID: 33065103 Free PMC article.

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