Survival Among Patients With High-Risk Gastrointestinal Cancers During the COVID-19 Pandemic

Author:

Janczewski Lauren M.12,Browner Amanda E.1,Cotler Joseph H.1,Palis Bryan E.1,Chan Kelley1,Joung Rachel H.12,Bentrem David J.2,Merkow Ryan P.3,Boffa Daniel J.4,Nelson Heidi1

Affiliation:

1. American College of Surgeons Cancer Programs, Chicago, Illinois

2. Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois

3. Department of Surgery, University of Chicago Pritzker School of Medicine, Chicago, Illinois

4. Section of Thoracic Surgery, Department of Surgery, Yale School of Medicine, New Haven, Connecticut

Abstract

ImportancePrior reports demonstrated that patients with cancer experienced worse outcomes from pandemic-related stressors and COVID-19 infection. Patients with certain malignant neoplasms, such as high-risk gastrointestinal (HRGI) cancers, may have been particularly affected.ObjectiveTo evaluate disruptions in care and outcomes among patients with HRGI cancers during the COVID-19 pandemic, assessing for signs of long-term changes in populations and survival.Design, Setting, and ParticipantsThis retrospective cohort study used data from the National Cancer Database to identify patients with HRGI cancer (esophageal, gastric, primary liver, or pancreatic) diagnosed between January 1, 2018, and December 31, 2020. Data were analyzed between August 23 and September 4, 2023.Main Outcome and MeasuresTrends in monthly new cases and proportions by stage in 2020 were compared with the prior 2 years. Kaplan-Meier curves and Cox regression were used to assess 1-year mortality in 2020 compared with 2018 to 2019. Proportional monthly trends and multivariable logistic regression were used to evaluate 30-day and 90-day mortality in 2020 compared with prior years.ResultsOf the 156 937 patients included in this study, 54 994 (35.0%) were aged 60 to 69 years and 100 050 (63.8%) were men. There was a substantial decrease in newly diagnosed HRGI cancers in March to May 2020, which returned to prepandemic levels by July 2020. For stage, there was a proportional decrease in the diagnosis of stage I (−3.9%) and stage II (−2.3%) disease, with an increase in stage IV disease (7.1%) during the early months of the pandemic. Despite a slight decrease in 1-year survival rates in 2020 (50.7% in 2018 and 2019 vs 47.4% in 2020), survival curves remained unchanged between years (all P > .05). After adjusting for confounders, diagnosis in 2020 was not associated with increased 1-year mortality compared with 2018 to 2019 (hazard ratio, 0.99; 95% CI, 0.97-1.01). The rates of 30-day (2.1% in 2018, 2.0% in 2019, and 2.1% in 2020) and 90-day (4.3% in 2018, 4.4% in 2019, and 4.6% in 2020) operative mortality also remained similar.Conclusions and RelevanceIn this retrospective cohort study, a period of underdiagnosis and increase in stage IV disease was observed for HRGI cancers during the pandemic; however, there was no change in 1-year survival or operative mortality. These results demonstrate the risks associated with gaps in care and the tremendous efforts of the cancer community to ensure quality care delivery during the pandemic. Future research should investigate long-term survival changes among all cancer types as additional follow-up data are accrued.

Publisher

American Medical Association (AMA)

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