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

doi:10.1016/j.chest.2021.01.087

Comment

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

doi: 10.1016/j.chest.2021.01.087.

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

Kevin Keller¹, Jeremy Sussman²

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.

PMID: 34246396
PMCID: PMC8261122
DOI: 10.1016/j.chest.2021.01.087

Comment

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

Kevin Keller et al. Chest. 2021 Jul.

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

doi: 10.1016/j.chest.2021.01.087.

Authors

Kevin Keller¹, Jeremy Sussman²

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.

PMID: 34246396
PMCID: PMC8261122
DOI: 10.1016/j.chest.2021.01.087

No abstract available

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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.

Comment on

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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Zhou Y, Wang H, Yang L, Wang Q. Zhou Y, et al. Molecules. 2022 Nov 26;27(23):8257. doi: 10.3390/molecules27238257. Molecules. 2022. PMID: 36500347 Free PMC article. Review.

References

1. Rajter J.C., Sherman M.S., Fatteh N., Vogel F., Sacks J., Rajter J.-J. Use of ivermectin is associated with lower mortality in hospitalized patients with Coronavirus disease 2019: the ivermectin in COVID nineteen study. Chest. 2021;159(1):85–92. - PMC - PubMed
1. Thomas L., Li F., Pencina M. Using propensity score methods to create target populations in observational clinical research. JAMA. 2020;323(5):466–467. - PubMed
1. Asch D.A., Sheils N.E., Islam M.N., et al. Variation in US hospital mortality rates for patients admitted with COVID-19 during the first 6 months of the pandemic. JAMA Intern Med. 2021;181(4):471–478. - PMC - PubMed
1. Paranjpe I., Fuster V., Lala A., et al. Association of treatment dose anticoagulation with in-hospital survival among hospitalized patients with COVID-19. J Am Coll Cardiol. 2020;76(1):122–124. - PMC - PubMed
1. Arshad S., Kilgore P., Chaudhry Z.S., et al. Treatment with hydroxychloroquine, azithromycin, and combination in patients hospitalized with COVID-19. Int J Infect Dis. 2020;97:396–403. - PMC - PubMed

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[1] Rajter J.C., Sherman M.S., Fatteh N., Vogel F., Sacks J., Rajter J.-J. Use of ivermectin is associated with lower mortality in hospitalized patients with Coronavirus disease 2019: the ivermectin in COVID nineteen study. Chest. 2021;159(1):85–92. - PMC - PubMed

[2] Rajter J.C., Sherman M.S., Fatteh N., Vogel F., Sacks J., Rajter J.-J. Use of ivermectin is associated with lower mortality in hospitalized patients with Coronavirus disease 2019: the ivermectin in COVID nineteen study. Chest. 2021;159(1):85–92. - PMC - PubMed

[3] Thomas L., Li F., Pencina M. Using propensity score methods to create target populations in observational clinical research. JAMA. 2020;323(5):466–467. - PubMed

[4] Thomas L., Li F., Pencina M. Using propensity score methods to create target populations in observational clinical research. JAMA. 2020;323(5):466–467. - PubMed

[5] Asch D.A., Sheils N.E., Islam M.N., et al. Variation in US hospital mortality rates for patients admitted with COVID-19 during the first 6 months of the pandemic. JAMA Intern Med. 2021;181(4):471–478. - PMC - PubMed

[6] Asch D.A., Sheils N.E., Islam M.N., et al. Variation in US hospital mortality rates for patients admitted with COVID-19 during the first 6 months of the pandemic. JAMA Intern Med. 2021;181(4):471–478. - PMC - PubMed

[7] Paranjpe I., Fuster V., Lala A., et al. Association of treatment dose anticoagulation with in-hospital survival among hospitalized patients with COVID-19. J Am Coll Cardiol. 2020;76(1):122–124. - PMC - PubMed

[8] Paranjpe I., Fuster V., Lala A., et al. Association of treatment dose anticoagulation with in-hospital survival among hospitalized patients with COVID-19. J Am Coll Cardiol. 2020;76(1):122–124. - PMC - PubMed

[9] Arshad S., Kilgore P., Chaudhry Z.S., et al. Treatment with hydroxychloroquine, azithromycin, and combination in patients hospitalized with COVID-19. Int J Infect Dis. 2020;97:396–403. - PMC - PubMed

[10] Arshad S., Kilgore P., Chaudhry Z.S., et al. Treatment with hydroxychloroquine, azithromycin, and combination in patients hospitalized with COVID-19. Int J Infect Dis. 2020;97:396–403. - PMC - PubMed

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

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

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