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Changes in cancer screening before and during COVID‐19: findings from the Korean National Cancer Screening Survey 2019 and 2020
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Thao Thi Kim Trinh, Yun Yeong Lee, Mina Suh, Jae Kwan Jun, Kui Son Choi
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Epidemiol Health. 2022;44:e2022051. Published online May 30, 2022
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DOI: https://doi.org/10.4178/epih.e2022051
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Abstract
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Abstract
OBJECTIVES The coronavirus disease 2019 (COVID-19) pandemic has negatively affected every aspect of medical care. However, information regarding the impact of the pandemic on cancer screening is lacking. This study aimed to explore cancer screening changes by geographic region before and during the pandemic in Korea.
METHODS Korean National Cancer Screening Survey data for 2019 and 2020 were used. Changes in the screening rate before and during the COVID-19 pandemic were calculated by subtracting the rate in 2020 from the rate in 2019. Multivariate logistic regression analyses examined the differences in screening rates at the national and 16 provincial levels before and after the COVID-19 outbreak.
RESULTS The 1-year screening rates for the four types of cancer decreased during the pandemic (stomach cancer: -5.1, colorectal cancer: -3.8, breast cancer: -2.5, cervical cancer: -1.5%p). In metropolitan areas, the odds of undergoing screening tests during the pandemic were significantly lower than before the pandemic for stomach (adjusted odds ratio [aOR], 0.66; 95% confidence interval [CI], 0.56 to 0.76), colorectal (aOR, 0.63; 95% CI, 0.50 to 0.79), and breast cancers (aOR, 0.75; 95% CI, 0.60 to 0.94). Furthermore, the likelihood of undergoing stomach cancer screening during the pandemic was significantly lower than before the pandemic in non-metropolitan urban areas (aOR, 0.81; 95% CI, 0.70 to 0.94), while it was higher in rural areas (aOR, 1.54; 95% CI, 1.10 to 2.16).
CONCLUSIONS Since the COVID-19 pandemic, the cancer screening rate has decreased significantly, especially in large cities. Public health efforts are required to improve cancer screening rates.
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Summary
Korean summary
• 코로나 대유행 이전과 이후의 최근 1년간 암검진 수검률을 비교한 결과, 위암 (5% 포인트), 대장암 (3.8% 포인트), 유방암 (2.5% 포인트), 자궁경부암 (1.5% 포인트) 수검률이 통계적으로 유의하게 감소하였음
• 특히 위암, 대장암, 유방암의 경우 대도시 지역에서의 수검률이 현저하게 감소하였음
Key Message
The 1-year screening rates for stomach, colorectal, breast, and cervical cancer decreased significantly during the pandemic in Korea, especially in large cities.
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Citations
Citations to this article as recorded by
- Health screening disparities in people living with HIV; A nationwide organized screening setting
Boyoung Park, Yoonyoung Jang, Taehwa Kim, Yunsu Choi, Kyoung Hwan Ahn, Jung Ho Kim, Hye Seong, Youn Jeong Kim, Jun Yong Choi, Joon Young Song, Shin-Woo Kim, Sang Il Kim Journal of Infection and Public Health.2024; 17(12): 102567. CrossRef - Mining Google Trends data for nowcasting and forecasting colorectal cancer (CRC) prevalence
Cristiana Tudor, Robert Aurelian Sova PeerJ Computer Science.2023; 9: e1518. CrossRef
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Trends in breast cancer screening rates among Korean women: results from the Korean National Cancer Screening Survey, 2005-2020
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Soo Yeon Song, Yun Yeong Lee, Hye Young Shin, Bomi Park, Mina Suh, Kui Son Choi, Jae Kwan Jun
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Epidemiol Health. 2022;44:e2022111. Published online November 24, 2022
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DOI: https://doi.org/10.4178/epih.e2022111
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5,803
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164
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5
Web of Science
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6
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Abstract
Summary
PDFSupplementary Material
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Abstract
OBJECTIVES Since 2002, the Korean government has provided breast cancer screening as part of the National Cancer Screening Program. This study reported trends in the screening rate among Korean women from 2005 to 2020, including organized and opportunistic screening for breast cancer.
METHODS Data from the Korean National Cancer Screening Survey, an annual cross-sectional nationwide survey, were collected using a structured questionnaire between 2005 and 2020. The study population included 23,702 women aged 40-74 years with no history of cancer. We estimated the screening rate based on the current recommendation of biennial mammographic screening for breast cancer. In addition, a joinpoint trend analysis was performed for breast cancer screening rates among various subgroups.
RESULTS In 2020, the breast cancer screening rate was 63.5%, reflecting an annual increase of 7.72% (95% confidence interval 5.53 to 9.95) between 2005 and 2012, followed by non-significant trends thereafter. In particular, a significant decrease in the breast cancer screening rate was observed in the subgroups aged 50-59 years old, with 12-15 years of education, and living in rural areas.
CONCLUSIONS Although there has been substantial improvement in breast cancer screening rates in Korean women, the trend has flattened in recent years. Therefore, continual efforts are required to identify subgroups with unmet needs and solve barriers to the uptake of breast cancer screening.
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Summary
Korean summary
본 연구는 2005년에서 2020년까지 암검진수검행태조사 자료를 이용하여 40세 이상의 우리나라 여성의 유방암 검진 수검률이 추이에 대해 분석하였다. 우리나라 유방암 검진 수검률은 2020년 현재 63.5%이다. 하지만 지속적으로 증가하던 유방암 검진 수검률의 추이는 2012년 이후 정체되어 있으며 일부 사회경제적 계층에서는 감소하는 경향을 보였다.
Key Message
In Korea, despite of the high level of breast cancer screening rate, decreasing trends in some socioeconomic classes after 2012.
Continual efforts are required to identify subgroup with unmet needs and barriers to the uptake of breast cancer screening.
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Citations
Citations to this article as recorded by
- Current and future burden of breast cancer in Asia: A GLOBOCAN data analysis for 2022 and 2050
Mengxia Fu, Zhiming Peng, Min Wu, Dapeng Lv, Yanping Li, Shuzhen Lyu The Breast.2025; 79: 103835. CrossRef - Exploring age-standardized cancer incidence rates and regional disparities: A retrospective cohort study of 8 major cancers in South Korea
Dagyeong Lee, Hye-won Yun, Nayeon Kim, Juwon Park, Kyu-won Jung, Mina Suh, Dong Wook Shin Cancer Epidemiology.2024; 91: 102594. CrossRef - A cross-national investigation of CT, MRI, PET, mammography, and radiation therapy resources and utilization
Takahiro Aoyama, Yutaro Koide, Hidetoshi Shimizu, Atsushi Urikura, Tomoki Kitagawa, Shingo Hashimoto, Hiroyuki Tachibana, Takeshi Kodaira Japanese Journal of Radiology.2024;[Epub] CrossRef - Contrasting income-based inequalities in incidence and mortality of breast cancer in South Korea, 2006–2015
Jinwook Bahk, Hee-Yeon Kang, Young-Ho Khang, Kyunghee Jung-Choi Epidemiology and Health.2024; : e2024074. CrossRef - Why is the screening rate in lung cancer still low? A seven-country analysis of the factors affecting adoption
Charlotte Poon, Tim Wilsdon, Iqra Sarwar, Alexander Roediger, Megan Yuan Frontiers in Public Health.2023;[Epub] CrossRef - Mammographic Breast Density and Risk of Ovarian Cancer in Korean Women
Thi Xuan Mai Tran, Soyeoun Kim, Boyoung Park Cancer Epidemiology, Biomarkers & Prevention.2023; 32(12): 1690. CrossRef
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