Table 4 Performance indicators of the Czech Breast Cancer Screening Programme, according to year of screening, including all age groups (initial screening).
| Â | Year (screening mammography) | ||||||
|---|---|---|---|---|---|---|---|
| Â | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 |
Number of women screened | 10,055 | 212,514 | 258,635 | 220,897 | 170,717 | 232,509 | 159,273 |
   Number of women with detected breast cancer | 48 | 1,053 | 1,220 | 1,153 | 935 | 1,662 | 974 |
Breast cancer detection rate | 4.8 | 5.0 | 4.7 | 5.2 | 5.5 | 7.1 | 6.1 |
   Number of women undergoing further assessment | 1,768 | 46,973 | 56,961 | 44,919 | 33,135 | 39,921 | 30,239 |
Further assessment rate | 17.6% | 22.1% | 22.0% | 20.3% | 19.4% | 17.2% | 19.0% |
   Number of women recalled for further assessment | 557 | 12,095 | 11,535 | 9,735 | 6,496 | 8,888 | 6,246 |
Recall rate | 5.5% | 5.7% | 4.5% | 4.4% | 3.8% | 3.8% | 3.9% |
   Women undergoing open biopsy - benign result | 21 | 504 | 343 | 226 | 135 | 166 | 90 |
   Women undergoing open biopsy - malignant result | 43 | 867 | 992 | 994 | 787 | 1,382 | 784 |
Benign to malignant open biopsy ratio | 0.49 | 0.58 | 0.35 | 0.23 | 0.17 | 0.12 | 0.11 |
   Number of women with detected breast cancer (cases preceded by neoadjuvant therapy excluded) | 48 | 1,031 | 1,182 | 1,116 | 905 | 1,610 | 924 |
Advanced cases (TNM II+) | 17 | 331 | 384 | 367 | 284 | 465 | 277 |
Advanced cases proportion | 35.4% | 32.1% | 32.5% | 32.9% | 31.4% | 28.9% | 30.0% |
Invasive cases | 41 | 933 | 1,072 | 1,023 | 823 | 1,459 | 850 |
Invasive cases proportion | 85.4% | 90.5% | 90.7% | 91.7% | 90.9% | 90.6% | 92.0% |
Node-negative invasive cases | 27 | 572 | 682 | 644 | 525 | 909 | 535 |
Proportion among invasive | 65.9% | 61.3% | 63.6% | 63.0% | 63.8% | 62.3% | 62.9% |
Invasive ≤ 10 mm cases | 11 | 312 | 350 | 348 | 288 | 441 | 275 |
Proportion among invasive | 26.8% | 33.4% | 32.6% | 34.0% | 35.0% | 30.2% | 32.4% |