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Background: We investigated the impact of the COVID-19 pandemic on oral cancer (OC), comparing diagnosis and number of pre-operative days in the diagnosis of OC in 2019 (pre-COVID-19) and that in 2020 (during the COVID-19 pandemic)., Methods: Using data from a cancer registry-based study on the impact of COVID-19 on cancer care in Osaka (CanReCO), we collected details of sex, age, residential area, cancer site, date of diagnosis, clinical stage at first treatment and number of pre-operative days in OC patients., Results: A total of 1470 OC cases were registered. Incidence of OC before and during COVID-19 was 814 and 656 cases, respectively. During the first wave of the pandemic (March to May 2020), incidence was about half that in the same period in 2019 (2019; n = 271, 2020; n = 145). Number of pre-operative days (median number of days between the first hospital visit and surgery date) was significantly shorter during the COVID-19 year (24.5 days) than in the pre-COVID-19 year (28 days, p = 0.0015)., Conclusions: Incidence of OC during the COVID-19 pandemic was lower than in pre-COVID-19. Despite disruption in the healthcare system, the number of pre-operative days for OC cases was shorter during the pandemic., (© 2023 Wiley Periodicals LLC.)

Background: In Japan, provision of equal access to cancer care is intended to be achieved via secondary medical areas (SMAs). However, the percentage of patients receiving care within the residential area varies by SMA in Osaka Prefecture. We aimed to assess the effect size of factors associated with patient mobility, and whether patient mobility was affected by the COVID-19 pandemic., Methods: Records of patients diagnosed with stomach, colorectal, lung, breast, cervical, oesophageal, liver or pancreatic cancer during 2019-2020 were extracted from multi-centre hospital-based cancer registry data. Odds ratios of whether a patient received care within the SMA of residence were set as the outcome. A multivariable model was built using generalised estimating equations with multiple imputation for missing data. Change in patient mobility after the pandemic was examined by deriving age- and SMA-specific adjusted ORs (aORs)., Results: A total of 78,839 records were included. Older age, more advanced stage and palliative care had up to 1.69 times higher aORs of receiving care within their own area. Patients with oesophageal, liver or pancreatic cancer tended to travel outside their area with aORs ranging from 0.71 to 0.90. Patients aged ≤ 79 and living in the East and South SMAs tended to remain in their area with aORs ranging from 1.05 to 1.11 after the pandemic., Conclusion: Patient mobility decreased for higher age and stage. It also varied by SMA, cancer site and treatment type., Policy Summary: Our results need to be linked with resource inputs to help policymakers decide whether to intervene to address current efficiency or equity issues., Competing Interests: Declaration of Competing Interest We declare no competing interests., (Copyright © 2023 The Authors. Published by Elsevier Ltd.. All rights reserved.)