Table 4 Difference in mean screening interval for breast cancer screening program (2020 versus 2019, Flanders)
January, 1 (week 1)– December,31 (week 52) | January, 1 (week1)-March 21 (week 11) | July, 5 (week 27) – December, 31 (week 52) | July, 5 (week 27) -November, 28 (week 47) | |
|---|---|---|---|---|
(entire year) | (before first COVID-19 shutdown) | (after the restart of the program) | (first 20 weeks after restart of the program) | |
months (95% CI) | months (95% CI) | months (95% CI) | months (95% CI) | |
All screened | 1.3 (1.4; 1.2) | -0.2 (-0.0; -0.3) | 1.9 (2.0; 1.8) | 2.1 (2.2; 2.0) |
Stratified by age | ||||
50–54 | 1.3 (1.2; 1.4) | 0.1 (0.0; 0.3) | 1.5 (1.4; 1.6) | 1.6 (1.5; 1.8) |
55–59 | 1.4 (1.3; 1.6) | 0.1 (-0.2; 0.4) | 1.9 (1.7; 2.1) | 2.2 (2.0; 2.4) |
60–64 | 1.2 (1.1; 1.4) | -0.3 (-0.7; 0.1) | 2.0 (1.7; 2.2) | 2.2 (1.9; 2.4) |
65–69 | 1.0 (0.8; 1.3) | -0.9 (-1.4; -0.5) | 2.1 (1.8; 2.4) | 2.3 (1.9; 2.6) |
Stratified by screening historya | ||||
Type 1 | 1.4 (1.4; 1.4) | 0.0 (0.0; 0.0) | 1.9 (1.9; 1.9) | 2.1 (2.0; 2.1) |
Type 3 | 2.0 (0.8; 1.3) | -1.8 (-3.1; -0.6) | 1.3 (0.5; 2.2) | 4.3 (3.4; 5.2) |