| Year (screening mammography) | ||||
---|---|---|---|---|---|
 | 2004 | 2005 | 2006 | 2007 | 2008 |
Number of women screened | 6,582 | 96,297 | 169,847 | 236,790 | 309,146 |
   Number of women with detected breast cancer | 30 | 292 | 635 | 880 | 1,154 |
Breast cancer detection rate | 4.6 | 3.0 | 3.7 | 3.7 | 3.7 |
   Number of women undergoing further assessment | 964 | 11,931 | 20,445 | 23,494 | 29,786 |
Further assessment rate | 14.6% | 12.4% | 12.0% | 9.9% | 9.6% |
   Number of women recalled for further assessment | 190 | 2,196 | 3,933 | 5,089 | 6,709 |
Recall rate | 2.9% | 2.3% | 2.3% | 2.1% | 2.2% |
   Women undergoing open biopsy - benign result | 4 | 59 | 59 | 83 | 83 |
   Women undergoing open biopsy - malignant result | 29 | 265 | 560 | 767 | 1,010 |
Benign to malignant open biopsy ratio | 0.14 | 0.22 | 0.11 | 0.11 | 0.08 |
   Number of women with detected breast cancer (cases preceded by neoadjuvant therapy excluded) | 30 | 284 | 617 | 860 | 1,115 |
Advanced cases (TNM II+) | 6 | 73 | 155 | 187 | 248 |
Advanced cases proportion | 20.0% | 25.7% | 25.1% | 21.7% | 22.2% |
Invasive cases | 25 | 260 | 547 | 752 | 981 |
Invasive cases proportion | 83.3% | 91.5% | 88.7% | 87.4% | 88.0% |
Node-negative invasive cases | 18 | 196 | 380 | 533 | 683 |
Proportion among invasive | 72.0% | 75.4% | 69.5% | 70.9% | 69.6% |
Invasive ≤ 10 mm cases | 10 | 112 | 216 | 329 | 376 |
Proportion among invasive | 40.0% | 43.1% | 39.5% | 43.8% | 38.3% |