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Cosmos Study

Troubling Cancer Screening Rates Still Seen Nearly Two Years Into the Pandemic

Abstract: Breast cancer and colon cancer screening remain slightly below baselines, while cervical cancer screening rates are lower than expected.
January 18, 2022
Christopher Mast, MD | Joe Deckert, PhD | Alejandro Muñoz del Río, PhD

Routine cancer screenings are a primary preventative care measure that decreased dramatically at the start of the pandemic with 94% decreases in both breast cancer screenings and cervical cancer screenings and an 86% decrease in colon cancer screenings. While cancer screening rates rebounded in 2021 from early pandemic lows, they were still lower than expected.

As the pandemic continues and areas experience additional COVID-19 surges, clinicians share some concern that screening rates might not have returned to pre-pandemic baselines. We found that rates of breast and colon cancer screenings remain slightly below historical baselines, down 2.7% and 3.4% respectively. However, cervical cancer screening rates are still 10% below historical baselines. These rates equate to an estimated 68,000 missed breast cancer screenings, 27,000 missed colon cancer screenings, and 9,000 missed cervical cancer screenings from January 2021 through October 2021.

Figure 1
Breast Cancer Screening Volumes
Breast Cancer Screening Volumes
Figure 2. Breast cancer screenings from January 2018 through October 2021, compared to the historical weekly average.
Figure 2
Colon Cancer Screening Volumes
Colon Cancer Screening Volumes
Figure 1. Colon cancer screenings from January 2018 through October 2021, compared to the historical weekly average.
Figure 3
Cervical Cancer Screening Volumes
Cervical Cancer Screening Volumes
Figure 3. Cervical cancer screenings from January 2018 through October 2021, compared to the historical weekly average.

To make up for the missed colon cancer screenings in 2020 and 2021, rates would need to exceed the historical weekly average by over 3800 screenings a week. To make up for missed cervical cancer screenings in 2020 and 2021, weekly screening rates would need to exceed the historical average by at least 230 screenings each week in 2022. As breast cancer screenings are recommended annually in most cases, patients with missed screenings should work with their provider to get back on their recommended screening schedule for 2022.

Despite many clinics reopening in the spring and summer of 2021, we still see lower than expected rates of routine cancer screenings. Further delays in cancer screening could lead to delayed cancer diagnoses, which could increase morbidity and mortality and exacerbate existing health care disparities, as well as increase health care costs.1 Ongoing efforts to increase patient access to affordable screenings are important to our nation’s COVID recovery.


These data come from Cosmos, a HIPAA-defined Limited Data Set of more than 126 million patients from 156 Epic organizations including 889 hospitals and 19,420 clinics, serving patients in all 50 states.

References

  1. Sharp Declines in Breast and Cervical Cancer Screening. Centers for Disease Control and Prevention. https://www.cdc.gov/media/releases/2021/p0630-cancer-screenings.html