Survival of Patients Diagnosed With Cancer During the COVID-19 Pandemic
JAMA Oncology 10.1001/jamaoncol.2025.6332February 05, 2026 at 11:00 AM EST
Were the survival rates of patients diagnosed with cancer in the US in 2020 and 2021 different than in the years before the COVID-19 pandemic?This population-based cohort study of more than 1 million US individuals found that patients diagnosed with cancer in 2020 and 2021 (compared with 2015 to 2019) had significant reductions in survival when diagnosed at both early and late stages, resulting in an estimated 17 390 more deaths (13.1%) within 1 year of diagnosis than expected.Individuals diagnosed with cancer in the US during 2020 and 2021 experienced worse survival during the first year after their diagnosis than those diagnosed before the COVID-19 pandemic.
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