Impact of COVID-19 pandemic on breast and cervical cancer screening in Denmark: A register-based study
- Center for Epidemiological Research, Nykøbing Falster Hospital, Denmark
- Department of Public Health, University of Copenhagen, Denmark
- Department of Gynecology and Obstetrics, Odense University Hospital, Denmark
- Department of Breast Examinations, Copenhagen University Hospital Herlev/Gentofte, Denmark
- Department of Pathology, Aarhus University Hospital, Denmark
Figures
Figure 1
Weekly number of mammography screens, Denmark 2017–2021.
Source: Own calculations based on numbers provided by The Danish Health Data Authority.
Figure 2
Decomposition of time series in number of mammography screens into seasonal, trend, and irregular component, Denmark 2017–2021.
Source: Own calculations based on numbers provided by The Danish Health Data Authority.
Figure 3 with 1 supplement
Seasonal-adjusted time series and fitted model of the number of mammography screens, Denmark 2017–2021.
Source: Own calculations based on numbers provided by The Danish Health Data Authority.
Figure 3—figure supplement 1
Seasonal-adjusted time series and fitted model of the number of mammography screens, by region 2017–2021.
Source: Own calculations based on numbers provided by The Danish Health Data Authority.
Figure 4
Time series of the weekly number of cervical, Denmark 2017–2021.
Source: Own calculations based on numbers provided by The Danish Health Data Authority.
Figure 5
Decomposition of time series in number of cervical cancer screens into seasonal, trend, and irregular component, Denmark 2017–2021.
Source: Own calculations based on numbers provided by The Danish Health Data Authority.
Figure 6 with 1 supplement
Seasonal-adjusted monthly time series and fitted model of the number of cervical cancer screens, Denmark 2017–2021.
Source: Own calculations based on numbers provided by The Danish Health Data Authority.
Figure 6—figure supplement 1
Seasonal-adjusted time series and fitted model of the number of cervical cancer screens, by region 2017–2021.
Source: Own calculations based on numbers provided by The Danish Health Data Authority.
Tables
Table 1
Number of mammography and cervical screens by year and region, Denmark 2017–2021.
| Region | Mammography screening | Cervical screening | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Year 2017 | Year 2018 | Year 2019 | Year 2020 | Year 2021 | Year 2017 | Year 2018 | Year 2019 | Year 2020 | Year 2021 | |
| Denmark | 289,150 | 290,275 | 282,426 | 260,508 | 270,303 | 443.126 | 348,950 | 344,045 | 306,472 | 323,598 |
| Capital | 78,323 | 75,415 | 75,964 | 65,012 | 51,457 | 155,022 | 124,149 | 120,329 | 110,655 | 116,145 |
| Central | 67,282 | 68,117 | 66,895 | 63,043 | 69,719 | 97,775 | 77,200 | 84,099 | 72,006 | 75,967 |
| North | 30,835 | 31,033 | 30,415 | 31,978 | 26,532 | 43,818 | 34,435 | 33,719 | 29,293 | 32,288 |
| South | 70,396 | 69,468 | 68,271 | 64,108 | 72,876 | 88,540 | 67,896 | 64,972 | 57,108 | 59,738 |
| Zealand | 42,314 | 46,242 | 40,881 | 36,367 | 49,719 | 57,971 | 45,270 | 40,926 | 37,410 | 39,460 |
-
Source: Own calculations based on numbers provided by the Danish Health Data Authority.
Table 2
Estimated changes in number of seasonally adjusted mammography screens.
Denmark and regions, 2017–2021. Reductions and increases are with respect to the average base line.
| Time period | Estimated change in percent | |
|---|---|---|
| Denmark | 24 February 2020 – 22 March 2020 23 March – 19 April 2020 16 August 2021 – 02 January 2022 | –22.6% [CI –30.1 to –14.4] –43.3% [CI –49.0 to –36.9] –17.0% [CI –21.2 to –12.6] |
| Capital | 30 December 2019 – 18 July 2021 23 March 2020 – 19 April 2020 19 July 2021 – 15 August 2021 16 August 2021 – 12 September 2021 13 September 2021 – 10 October 2021 11 November 2021 – 02 January 2022 | –11.8% [CI –15.7 to –7.7] – (level shift) –43.5% [CI –51.6 to –34.1] –34.0% [CI –43.4 to –23.1] –67.2 [CI –72.1 to –61.3] –85.3 [CI –88.1 to –81.9] –41.3 [CI –49.5 to –31.8] |
| Central | 24 February 2020 – 22 March 2020 23 March 2020 – 19 April 2020 | –15.7% [CI –24.4 to –6.1] –38.2% [CI –44.7 to –30.9] |
| North | 24 May 2021 – 02 January 2022 | 7.5% [CI 5.1–9.9] |
| South | 23 March 2020 – 19 April 2020 | –43.5% [CI –53.5 to –31.4] |
| Zealand | 24 February 2020 – 19 April 2020 02 November 2020 – 02 January 2022 | –51.5% [CI –58.5 to –43.3] 1.6% [CI 0.7–2.5] |
-
Source: Own calculations based on numbers provided by The Danish Health Data Authority.
Table 3
Estimated changes in number of seasonally adjusted cervical cell samples.
Denmark and regions, 2018–2020. Reductions and increases are with respect to the average base line.
| Time period | Estimated change in percent | |
|---|---|---|
| Denmark | 6 November 2017 – 02 January 2022 24 February 2020 – 22 March 2020 23 March – 19 April 2020 21 June 2021 – 18 July 2021 | –1.9% [CI –2.9 to –0.8] annual reduction –30.7% [CI –36.5 to –24.3] –61.9% [CI –65.2 to –58.2] –20.3% [CI –27.1 to –12.9] |
| Capital | 24 February 2020 – 22 March 2020 23 March 2020 – 19 April 2020 21 June 2021 – 18 July 2021 | –32.4% [CI –38.1 to –26.1] –57.9% [CI –61.7 to –53.7] –23.8% [CI –30.3 to –16.8] |
| Central | 24 February 2020 – 22 March 2020 23 March 2020 – 19 April 2020 21 June 2021 – 18 July 2021 | –31.0% [CI –37.6 to –23.8] –62.8% [CI –66.6 to –58.5] –24.0 [CI –31.2 to –16.0] |
| North | 09 September 2019 – 02 January 2022 24 February 2020 – 22 March 2020 23 March 2020 – 19 April 2020 29 March 2021 –25 April 2021 | –6.9% [CI –8.9 to –4.8] annual reduction –33.9% [CI –41.5 to –25.3] –61.1% [CI –65.9 to –55.5] 94.5% [CI 72.9–118.8] |
| South | 01 January 2018 – 02 January 2022 23 March 2020 – 19 April 2020 21 June 2021 – 18 July 2021 | –5.0% [CI –6.4 to –3.6] annual reduction –60.4% [CI –64.4 to –55.9] –19.6 [CI –27.6 to –10.8] |
| Zealand | 23 March 2020 – 19 April 2020 01 March 2021 – 28 March 2021 21 June 2021 – 18 July 2021 | –67.6% [CI –71.8 to –62.7] 31.9% [CI 16.0–50.0] –12.7% [CI –23.4 to –0.6] |
-
Source: Own calculations based on numbers provided by The Danish Health Data Authority.
Additional files
-
MDAR checklist
- https://cdn.elifesciences.org/articles/81605/elife-81605-mdarchecklist1-v1.docx
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Supplementary file 1
Overview of dates within “Months”.
- https://cdn.elifesciences.org/articles/81605/elife-81605-supp1-v1.docx
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Supplementary file 2
Comparison of study data with DKMS and DKLS Reports 2021.
- https://cdn.elifesciences.org/articles/81605/elife-81605-supp2-v1.docx
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Impact of COVID-19 pandemic on breast and cervical cancer screening in Denmark: A register-based study
eLife 12:e81605.
https://doi.org/10.7554/eLife.81605
