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Changes in Newly Identified Cancer Among US Patients From Before COVID-19 Through the First Full Year of the Pandemic

Educational Objective
To identify the key insights or developments described in this article

We previously reported a substantial decline in new cancer diagnosed early in the COVID-19 pandemic in the United States. During the period from March 1 to April 18, 2020, weekly cases fell 46.4% (from 4310 to 2310) for 6 cancers combined, with significant declines for each type.1 This was expected, given recommendations to conserve health care resources to address the initial set of patients with COVID-19. Medical practices have since reopened, but patient concerns remain. This study updates the analysis through March 2021.

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Article Information

Accepted for Publication: July 13, 2021.

Published: August 31, 2021. doi:10.1001/jamanetworkopen.2021.25681

Open Access: This is an open access article distributed under the terms of the CC-BY-NC-ND License. © 2021 Kaufman HW et al. JAMA Network Open.

Corresponding Author: Harvey W. Kaufman, MD, Quest Diagnostics, 500 Plaza Dr, Secaucus, NJ 07094 (harvey.w.kaufman@questdiagnostics.com).

Author Contributions: Dr Kaufman and Ms Chen had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.

Concept and design: All authors.

Acquisition, analysis, or interpretation of data: Kaufman, Chen, Niles.

Drafting of the manuscript: Kaufman, Chen.

Critical revision of the manuscript for important intellectual content: All authors.

Statistical analysis: Chen, Niles.

Administrative, technical, or material support: Kaufman, Fesko.

Supervision: Kaufman.

Conflict of Interest Disclosures: Drs Kaufman and Fesko and Ms Chen reported owning stock in Quest Diagnostics outside the submitted work. No other disclosures were reported.

Additional Contributions: We appreciate the superb editorial support from Jeff Radcliff (Quest Diagnostics). He was not compensated beyond his usual salary.

References
1.
Kaufman  HW , Chen  Z , Niles  J , Fesko  Y .  Changes in the number of US patients with newly identified cancer before and during the coronavirus disease 2019 (COVID-19) pandemic.   JAMA Netw Open. 2020;3(8):e2017267. doi:10.1001/jamanetworkopen.2020.17267PubMedGoogle Scholar
2.
von Elm  E , Altman  DG , Egger  M , Pocock  SJ , Gøtzsche  PC , Vandenbroucke  JP ; STROBE Initiative.  The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies.   Ann Intern Med. 2007;147(8):573-577. doi:10.7326/0003-4819-147-8-200710160-00010PubMedGoogle ScholarCrossref
3.
Cavallo  J . How delays in screening and early cancer diagnosis amid the COVID-19 pandemic may result in increased cancer mortality: a conversation with NCI Director Norman E. ‘Ned’ Sharpless, MD. The ASCO Post. September 10, 2020. Accessed April 22, 2021. https://ascopost.com/issues/september-10-2020/how-delays-in-screening-and-early-cancer-diagnosis-amid-the-covid-19-pandemic-may-result-in-increased-cancer-mortality/
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