Table 5.
Difference in mean screening interval for colorectal cancer screening program (2020 versus 2019, Flanders)
| January, 1 (week 1)– December,31 (week 52) | January, 1 (week1)-March 21 (week 11) | May, 24 (week 21) November, 14 (week 45) | November, 29 (week 48) – December, 31 (week52) | |
|---|---|---|---|---|
| (entire year) | (before first COVID-19 shutdown) | (after first restart of the program) | (after second restart of the program) | |
| months (95% CI) | months (95% CI) | months (95% CI) | months (95% CI) | |
| All screened | 0.5 (0.5; 0.5) | 0.0 (0.0; 0.1) | 0.7 (0.6; 0.7) | 0.5 (0.4; 0.6) |
| Stratified by gender | ||||
| men | 0.6 (0.5; 0.6) | 0.1 (0.0; 0.2) | 0.7 (0.6; 0.8) | 0.5 (0.3; 0.7) |
| women | 0.5 (0.4; 0.5) | 0.0 (-0.1; 0.1) | 0.6 (0.6; 0.7) | 0.5 (0.3; 0.7) |
| Stratified by agea | ||||
| 55–59 | 0.3 (0.3; 0.3) | -0.2 (-0.2; -0.1) | 0.4 (0.3; 0.4) | 0.1 (0.0; 0.2) |
| 60–64 | 0.6 (0.5; 0.7) | -0.7 (-0.9; -0.6) | 1.0 (0.9; 1.1) | 2.7 (2.3; 3.1) |
| 65–69 | 0.9 (0.8; 1.0) | 0.1 (0.0; 0.3) | 1.1 (0.9; 1.2) | 2.5 (3.1; 2.0) |
| 70–74 | 1.1 (1.0; 1.2) | 1.2 (1.0; 1.4) | 0.1 (0.0; 0.3) | 3.6 (3.0; 4.2) |
| Stratified by screening historya | ||||
| Type 1 | 0.6 (0.6; 0.6) | 0.2 (0.2; 0.3) | 0.7 (0.6; 0.7) | 0.5 (0.4; 0.6) |
| Type 3 | 0.8 (0.6; 0.9) | -0.7 (-0.9; -0.4) | 1.3 (1.1; 1.5) | 2.2 (1.8; 2.6) |
acannot be calculated for age 50–54 (first invitation), type 2 (first invitation) or type 4 (never participated in the past). In the period 12–20 weeks and 46–47 weeks no invitations were send out due to lock down