Table 4

Overall breast cancer incidence per 1000 women in the screening population, by service provider, region, time period and follow-up time since index screen

RegionStudy periodFollow-up timeOverall cancer incidence (per 1000 women)
(95% CI)
Overall invasive cancer incidence (per 1000 women)
(95% CI)
Community clinicScreen testRate ratioCommunity clinicScreen testRate ratio
Edmonton areaA1 year5.1
(4.5 to 5.7)
4.6
(3.2 to 6.4)
1.13
(0.80 to 1.60)
4.1
(3.6 to 4.6)
4.1
(2.8 to 5.8)
1.03
(0.72 to 1.50)
2 year7.9
(7.2 to 8.7)
7.3
(5.5 to 9.4)
1.12
(0.85 to 1.47)
6.6
(6 to 7.3)
5.9
(4.3 to 7.8)
1.15
(0.85 to 1.56)
BUp to 31 December 2010*7.2
(6.6 to 7.8)
6.8
(4.8 to 9.2)
1.16
(0.84 to 1.61)
6.1
(5.5 to 6.7)
5.4
(3.7 to 7.6)
1.24
(0.86 to 1.78)
Calgary areaA1 year4.8
(4.3 to 5.4)
5.5
(4 to 7.4)
0.92
(0.67 to 1.27)
3.9
(3.4 to 4.4)
4.1
(2.8 to 5.7)
1.01
(0.70 to 1.48)
2 year7.5
(6.9 to 8.2)
7.9
(6.1 to 10.1)
0.99
(0.76 to 1.29)
6.2
(5.6 to 6.8)
6.1
(4.5 to 8.1)
1.06
(0.79 to 1.43)
BUp to 31 December 2010*6.2
(5.7 to 6.8)
7.4
(5.3 to 10)
0.92
(0.67 to 1.27)
5.3
(4.7 to 5.8)
6.8
(4.8 to 9.4)
0.84
(0.60 to 1.18)
Other areasA1 year4.6
(3.8 to 5.5)
4.9
(3.8 to 6.4)
0.95
(0.70 to 1.30)
3.8
(3.1 to 4.6)
4.2
(3.1 to 5.5)
0.94
(0.67 to 1.32)
2 year6.9
(6.0 to 8.0)
6.6
(5.2 to 8.2)
1.08
(0.83 to 1.40)
5.8
(4.9 to 6.8)
5.3
(4.1 to 6.8)
1.12
(0.84 to 1.51)
BUp to 31 December 2010*6.3
(5.5 to 7.2)
6.5
(5 to 8.2)
1.01
(0.77 to 1.33)
5.3
(4.5 to 6.1)
5.5
(4.2 to 7.2)
1.00
(0.74 to 1.34)
TotalA1 year4.9
(4.5 to 5.2)
5.0
(4.2 to 5.9)
1.01
(0.84 to 1.21)
4.0
(3.7 to 4.3)
4.1
(3.4 to 4.9)
1.00
(0.82 to 1.22)
2 year7.6
(7.2 to 8.0)
7.2
(6.2 to 8.2)
1.10
(0.94 to 1.27)
6.3
(5.9 to 6.7)
5.7
(4.9 to 6.7)
1.14
(0.98 to 1.35)
BUp to 31 December 2010*6.6
(6.3 to 7.0)
6.8
(5.7 to 8.0)
1.05
(0.94 to 1.18)
5.6
(5.3 to 6)
5.8
(4.8 to 6.9)
1.04
(0.92– to 1.19)
  • *End of follow-up period; cancer diagnosis data available through 31 December, 2010.