ArticlePreventive medicine reports2023
Impact of Covid-19 on breast cancer stage at discovery, and time to treatment in Cote d'Or, France.
Article in Preventive medicine reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed, 8 citations in OpenAlex.
- Effect of the COVID-19 pandemic and lockdown on cancer stage distribution and time to treatment initiation using cancer registry data of the Swiss cantons of Zurich and Zug from 2018 to 2021.Journal of cancer research and clinical oncology · 2025Article
- Effect of the COVID-19 Pandemic on the Management of Breast Cancer Patients.Journal of clinical medicine · 2024Article
- The impact of the COVID-19 pandemic on symptomatic breast cancer presentations in an Irish breast cancer unit: a retrospective cohort study.Irish journal of medical science · 2024Article
- Impact of the COVID-19 Pandemic on Tumor Stage and Pathohistological Parameters of Vulvar Cancer.Journal of clinical medicine · 2024Article
- Impact of the COVID-19 pandemic on clinical presentation, treatments, and outcomes of new breast cancer patients: A retrospective multicenter cohort study.Cancer medicine · 2023Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Due to the COVID-19 pandemic, and ensuing overcrowding in the French health system, management of patients with COVID-19 was given priority over that of patients with other pathologies, including chronic diseases. The aim of this study was to study the impact of COVID-19 on the stage of discovery of cancers diagnosed in the context of an organized breast cancer screening programme, as well as the impact on time to treatment. All women diagnosed with cancer in the Côte d'Or via organized breast cancer screening (first or second reading) from January 1, 2019 to December 31, 2020 were included in this study. Using data from pathological laboratories, clinical centers, and the breast and gynecological cancer registry of the Côte d'Or, France, we collected socio-demographic, clinical and treatment data on all patients. We compared data from the year 2019 (before-Covid) with the year 2020 (Covid). We did not observe a significant difference in the stage of breast cancer at discovery, or in time to treatment. However, the number of invasive cancers and the clinical size of in situ cancers both increased in 2020. Although these results are reassuring, continued monitoring is needed to determine the downstream effects of the pandemic.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.