New cancer cases at the time of SARS-Cov2 pandemic and related public health policies: A persistent and concerning decrease long after the end of the national lockdown

The dissemination of SARS-Cov2 may have delayed the diagnosis of new cancers. This study aimed at assessing the number of new cancers during and after the lockdown. We prospectively collected the clinical data of the 11.4 million patients referred to the Assistance Publique Hôpitaux de Paris Teachin...

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Bibliographic Details
Published in:European journal of cancer (1990) 2021-06, Vol.150, p.260-267
Main Authors: Kempf, Emmanuelle, Lamé, Guillaume, Layese, Richard, Priou, Sonia, Chatellier, Gilles, Chaieb, Hedi, Benderra, Marc-Antoine, Bellamine, Ali, Bey, Romain, Bréant, Stéphane, Galula, Gilles, Taright, Namik, Tannier, Xavier, Guyet, Thomas, Salamanca, Elisa, Audureau, Etienne, Daniel, Christel, Tournigand, Christophe
Format: Article
Language:English
Subjects:
Aged
Breast
Cancer
Colon
Computation and Language
Computer Science
COVID-19
Early detection of cancer
Female
France - epidemiology
Health Policy
Humans
Incidence
Life Sciences
Male
Middle Aged
Neoplasms - diagnosis
Neoplasms - epidemiology
Original Research
Pandemics
Patients
Prostate cancer
Public health
Quarantine
Santé publique et épidémiologie
SARS-CoV-2
Severe acute respiratory syndrome
Severe acute respiratory syndrome coronavirus 2
Tumors
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Summary:The dissemination of SARS-Cov2 may have delayed the diagnosis of new cancers. This study aimed at assessing the number of new cancers during and after the lockdown. We prospectively collected the clinical data of the 11.4 million patients referred to the Assistance Publique Hôpitaux de Paris Teaching Hospital. We identified new cancer cases between 1st January 2018 and 31st September 2020 and compared indicators for 2018 and 2019 to 2020 with a focus on the French lockdown (17th March to 11th May 2020) across cancer types and patient age classes. Between January and September, 28,348, 27,272 and 23,734 new cancer cases were identified in 2018, 2019 and 2020, respectively. The monthly median number of new cases reached 3168 (interquartile range, IQR, 3027; 3282), 3054 (IQR 2945; 3127) and 2723 (IQR 2085; 2,863) in 2018, 2019 and 2020, respectively. From March 1st to May 31st, new cancer decreased by 30% in 2020 compared to the 2018–19 average; then by 9% from 1st June to 31st September. This evolution was consistent across all tumour types: −30% and −9% for colon, −27% and −6% for lung, −29% and −14% for breast, −33% and −12% for prostate cancers, respectively. For patients aged
ISSN:0959-8049
1879-0852
1879-0852
DOI:10.1016/j.ejca.2021.02.015