Influence of COVID‐19 on the clinical characteristics of patients with uterine cervical cancer in Japan: A single‐center retrospective study

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Abstract
Aim: This study investigated the impact of coronavirus disease 2019 (COVID‐19) on the clinical characteristics and interregional movement of patients with uterine cervical cancer.Methods: This study included 1189 patients who underwent treatment for cervical cancer, including cervical intraepithelial neoplasm and adenocarcinoma in situ, at our hospital in Tokyo, Japan, in 2017–2018 and in 2021, before and after the pandemic, respectively. The patients' clinical information was compared during both periods. The clinical stage was unified using the International Federation of Gynecology and Obstetrics (FIGO) 2008 staging.Results: The number of patients treated for cervical cancer was 355, 420, and 414 in 2017, 2018, and 2021, respectively. The percentage of invasive carcinomas significantly increased from 158 (44.5%) and 196 (46.7%) to 219 (52.9%) (p = 0.049). In all periods, no significant differences were observed in median age, histological type, and treatment. The proportions of FIGO Stage IA1 were significantly elevated from 3.9% and 3.8% to 11.4% (p < 0.001). The percentage of patients from prefectures other than Tokyo significantly increased from 34.9% to 40.8% (p = 0.049). Furthermore, the proportion of patients with invasive carcinoma in private clinics increased from 28.0% to 37.9% (p = 0.014).Conclusions: The number of patients with invasive carcinoma and the percentage of patients with invasive carcinoma referred from private clinics increased, indicating that the COVID‐19 pandemic influenced patients to delay consultations. Furthermore, the surge in patients from other prefectures indicates that medical resources were more limited in rural areas, another impact of COVID‐19.

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