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Impact of the COVID-19 epidemic on cancer burden and cancer care in Slovenia: a follow-up study

Open Access
|Dec 2022

Figures & Tables

Figure 1

Change in the number of newly diagnosed cases of different types of cancers in years 2020, 2021, 2022 compared to the pre-COVID-19 year 2019. Data were collected from the two major cancer centres (Institute of Oncology Ljubljana and University Medical Centre Maribor). For 2022, only data from January to July are included and compared to corresponding months in 2019.
Change in the number of newly diagnosed cases of different types of cancers in years 2020, 2021, 2022 compared to the pre-COVID-19 year 2019. Data were collected from the two major cancer centres (Institute of Oncology Ljubljana and University Medical Centre Maribor). For 2022, only data from January to July are included and compared to corresponding months in 2019.

Figure 2

Monthly change in the number of newly diagnosed cancer cases (%) in years 2020, 2021 and up-to July 2022 compared to corresponding months in 2019. Data were collected from the two major cancer centres (Institute of Oncology Ljubljana and University Medical Centre Maribor).
Monthly change in the number of newly diagnosed cancer cases (%) in years 2020, 2021 and up-to July 2022 compared to corresponding months in 2019. Data were collected from the two major cancer centres (Institute of Oncology Ljubljana and University Medical Centre Maribor).

Figure 3

Number of cancer patients who first visited the Institute of Oncology Ljubljana (IOL) (outpatient appointments and hospitalisations together) for a particular disease in years 2015−2021 by year of first visit and by age group at first visit with percentage change against 2015−2021 average (an asterisk indicates statistically significant change). For average values for the years 2015−2019, 95% confidence intervals are also presented.
Number of cancer patients who first visited the Institute of Oncology Ljubljana (IOL) (outpatient appointments and hospitalisations together) for a particular disease in years 2015−2021 by year of first visit and by age group at first visit with percentage change against 2015−2021 average (an asterisk indicates statistically significant change). For average values for the years 2015−2019, 95% confidence intervals are also presented.

Change (%) with 95% confidence interval in the referrals to cancer care services, and patient care provided at the Institute of Oncology Ljubljana in years 2020, 2021, 2022 compared to pre-COVID-19 year 2019_ For 2022, only data from January to July are included and compared to corresponding months in 2019

20202021Jan.−July 2022
Referrals
First cancer appointment-1.8 (-4.4; 0.9)5.4 (2.6; 8.2)29.0 (25.0; 33.1)
Follow-up cancer appointment-2.8 (-3.8; -1.9)-14.3 (-15.2; -13.3)-28.5 (-29.6; -27.4)
Oncological genetic testing and counselling-11.9 (-16.3; -7.3)15.3 (10.2; 20.5)27.0 (20.1; 34.3)
First outpatient appointments at the Institute of Oncology Ljubljana
Radiotherapy5.7 (2.7; 8.8)12.6 (9.4; 15.8)13.8 (9.7; 18.1)
Surgery-10.9 (-13.5; -8.3)5.8 (3.0; 8.7)15.7 (11.8; 19.6)
Medical oncology-2.0 (-5.7; 1.8)2.4 (-1.4; 6.3)10.9 (5.7; 16.4)
All-3.1 (-4.8; -1.3)8.7 (6.9; 10.6)15.3 (12.8; 17.8)
Follow-up outpatient appointments at the Institute of Oncology Ljubljana
Radiotherapy-13.6 (-14.6; -12.6)-2.6 (-3.7; -1.6)-2.1 (-3.5; -0.8)
Surgery-13.2 (-14.3; -12.1)-4.7 (-5.9; -3.5)-8.1 (-9.6; -6.6)
Medical oncology2.3 (1.3; 3.3)12.8 (11.8; 13.9)18.4 (17.0; 19.9)
All-6.9 (-7.5; -6.3)7.0 (6.3; 7.6)8.1 (7.3; 9.0)
Cancer diagnostic imaging at the Institute of Oncology Ljubljana
X-ray-8.4 (-10.3; -6.4)-0.5 (-2.5; 1.5)-2.2 (-4.8; 0.5)
Mammography2.8 (0.8; 4.8)7.7 (5.7; 9.7)8.2 (5.5; 10.8)
Ultrasound scans-4.5 (-6.2; -2.8)9.6 (7.8; 11.4)19.6 (17.1; 22.1)
CT imaging22.8 (20.8; 24.9)45.7 (43.6; 47.9)70.1 (67.0; 73.3)
MRI14.8 (11.5; 18.1)35.9 (32.4; 39.6)38.5 (33.8; 43.3)
PET4.6 (0.5; 8.8)8.9 (4.8; 13.2)11.7 (6.2; 17.4)

Number of cancer patients, who first visited the Institute of Oncology Ljubljana (outpatient appointments and hospitalisations together) for a particular disease in years 2021 and 2022 with percentage change compared to the 2015−2019 average by year of first visit, gender, age group at first visit, reason for the first visit and stage at diagnosis (only for those admitted for primary cancer diagnostics or primary cancer treatment)_ The 2015−2019 average is accompanied with 95% confidence interval, which the numbers for years 2020 and 2021 are compared to (statistically significant lower/higher number are coloured)

Average 2015−2019 (95% CI)N for 2020Change (%) in 2020 against average (95% CI)N for 2021Change (%) in 2021 against average (95% CI)
Total6635.4(6458.9 ; 6811.9)6217-6.3 (-8.6 ; -3.9)6064-8.6 (-10.9 ; -6.3)
Gender
Males3334.0(3219.4 ; 3448.6)3157-5.3 (-8.6 ; -1.9)2978-10.7 (-13.9 ; -7.4)
Females3301.4(3218.9 ; 3383.9)3060-7.3 (-10.6 ; -4.0)3086-6.5 (-9.8 ; -3.2)
Age group
20-49939.6(911.9 ; 967.3)935-0.5 (-6.8 ; 6.1)901-4.1 (-10.3 ; 2.4)
50-642287.6(2189.2 ; 2386.0)1958-14.4 (-18.2 ; -10.5)1912-16.4 (-20.1 ; -12.6)
65-792651.6(2534.0 ; 2769.2)2546-4.0 (-7.7 ; -0.2)2493-6.0 (-9.6 ; -2.2)
80+695.4(676.2 ; 714.6)7213.7 (-3.7 ; 11.5)7507.9 (0.3 ; 15.9)
Reason for the first visit to Institute of Oncology Ljubljana
Primary diagnostics904.4(858.9 ; 949.9)884-2.3 (-8.6 ; 4.4)777-14.1 (-20 ; -7.8)
Primary treatment4791.2(4664.9 ; 4917.5)4493-6.2 (-8.9 ; -3.4)4358-9.0 (-11.7 ; -6.3)
Diagnostics or
treatment for874.8(824.9 ; 924.7)779-11.0 (-17.1 ; -4.5)838-4.2 (-10.6 ; 2.5)
relapse
Other or unknown65.0(43.5 ; 86.5)61-6.2 (-28.2 ; 20.5)9140.0 (12.7 ; 71.9)
Stage at diagnosis (for primary diagnosis and primary treatment only)
Localized2029.2(1956.8 ; 2101.6)1943-4.2 (-8.5 ; 0.1)1843-9.2 (-13.3 ; -4.9)
Regional2061.0(2026.1 ; 2095.9)1879-8.8 (-12.9 ; -4.6)1723-16.4 (-20.3 ; -12.4)
Distant1093.4(1018.3 ; 1168.5)1010-7.6 (-13.2 ; -1.8)1009-7.7 (-13.3 ; -1.8)
Unknown41.6(36.4 ; 46.8)5634.6 (1.7 ; 74.8)92121.2 (78.3 ; 171.2)
Not applicable470.4(430.7 ; 510.1)4894.0 (-5.1 ; 13.6)468-0.5 (-9.3 ; 8.9)
DOI: https://doi.org/10.2478/raon-2022-0050 | Journal eISSN: 1581-3207 | Journal ISSN: 1318-2099
Language: English
Page range: 488 - 500
Submitted on: Oct 11, 2022
Accepted on: Oct 30, 2022
Published on: Dec 13, 2022
Published by: Association of Radiology and Oncology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2022 Tina Zagar, Sonja Tomsic, Vesna Zadnik, Nika Bric, Mojca Birk, Blaz Vurzer, Ana Mihor, Katarina Lokar, Irena Oblak, published by Association of Radiology and Oncology
This work is licensed under the Creative Commons Attribution 4.0 License.