Table 2

Cancer detection rate via screening (per 1000 screens) by service provider, region and study period. Number in parenthesis is the corresponding 95% CI

RegionStudy periodInvasive cancer detection rateIn situ cancer detection rateCancer detection rate
Community clinicsScreen testRate ratioCommunity clinicsScreen testRate ratioCommunity clinicsScreen testRate ratio
Edmonton areaA2.33.6 0.67 0.80.5 1.69 3.24.1 0.80
(2.0 to 2.7)(2.4 to 5.2) (0.45 to 1.01)(0.6 to 1.1)(0.1 to 1.3) (0.61 to 4.67)(2.7 to 3.6)(2.8 to 5.8) (0.55 to 1.16)
B2.33.3 0.75 0.60.7 0.88 2.94.2 0.77
(2.0 to 2.7)(2.0 to 5.1) (0.47 to 1.18)(0.4 to 0.8)(0.2 to 1.8) (0.32 to 2.43)(2.6 to 3.3)(2.7 to 6.2) (0.51 to 1.17)
Calgary areaA3.13.7 0.89 0.81.4 0.61 3.95.1 0.81
(2.7 to 3.5)(2.5 to 5.3) (0.6 to 1.31)(0.6 to 1.1)(0.7 to 2.5) (0.32 to 1.17)(3.5 to 4.4)(3.6 to 6.9) (0.58 to 1.14)
B2.85.2 0.60 0.50.6 0.99 3.35.7 0.63
(2.4 to 3.2)(3.4 to 7.4) (0.4 to 0.88)(0.4 to 0.7)(0.1 to 1.6) (0.3 to 3.2)(2.9 to 3.7)(3.9 to 8.1) (0.44 to 0.92)
Other areasA2.83.7 0.79 0.60.8 0.73 3.54.5 0.79
(2.2 to 3.6)(2.7 to 4.9) (0.54 to 1.15)(0.4 to 1.0)(0.4 to 1.5) (0.33 to 1.61)(2.8 to 4.3)(3.4 to 5.9) (0.56 to 1.1)
B2.74.3 0.66 0.60.8 0.80 3.35.1 0.68
(2.2 to 3.3)(3.1 to 5.7) (0.46 to 0.94)(0.4 to 0.9)(0.3 to 1.5) (0.35 to 1.81)(2.8 to 4.0)(3.8 to 6.6) (0.49 to 0.94)
TotalA2.73.7 0.79 0.80.9 0.91 3.64.6 0.81
(2.5 to 3.0)(3.0 to 4.4) (0.63 to 0.98)(0.7 to 1.0)(0.6 to 1.3) (0.59 to 1.39)(3.3 to 3.9)(3.8 to 5.4) (0.67 to 0.98)
B2.64.3 0.65 0.60.7 0.84 3.35 0.68
(2.4 to 2.8)(3.5 to 5.3) (0.52 to 0.81)(0.5 to 0.7)(0.4 to 1.1) (0.49 to 1.44)(2.9 to 3.4)(4.1 to 6.0) (0.55 to 0.83)