Table 1. Number of women screened, screening examinations, screen detected ductal carcinoma in situ (DCIS) and invasive breast cancers by 5-year age groups.
| Women screeneda | Screening examinationsb | Screen detected DCISc | Screen detected invasive cancerc | |
| Age | n | n | n (‰) | n (‰) |
| 45–49 | 464,434 | 764,069 | 421 (0.55) | 1649 (2.16) |
| 50–54 | 477,084 | 1,219,228 | 571 (0.47) | 2831 (2.32) |
| 55–59 | 300,245 | 1,191,627 | 572 (0.48) | 3076 (2.58) |
| 60–64 | 260,264 | 1,084,986 | 554 (0.51) | 3600 (3.32) |
| 65–69 | 62,053 | 445,771 | 261 (0.59) | 1695 (3.80) |
| Overall | 1,564,080 | 4,705,681 | 2379 (0.51) | 12,851 (2.73) |
a
Number of women with that given age at first screening examination.
b
Number of screening examinations performed in women at that given age.
c
‰ calculated as number of cases per 1000 screening examinations.