Table 7 Performance indicators of the Czech Breast Cancer Screening Programme, according to age group, women screened in 2008 (subsequent screening).
| Â | Age group | Total 45-69 | Total 50-69 | |||||
|---|---|---|---|---|---|---|---|---|
| Â | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | Â | Â |
Number of women screened | 41,388 | 80,018 | 78,884 | 65,942 | 39,360 | 1,801 | 305,592 | 264,204 |
   Number of women with detected breast cancer | 85 | 248 | 266 | 332 | 198 | 21 | 1,129 | 1,044 |
Breast cancer detection rate | 2.1 | 3.1 | 3.4 | 5.0 | 5.0 | 11.7 | 3.7 | 4.0 |
   Number of women undergoing further assessment | 6,693 | 9,826 | 6,569 | 4,176 | 2,151 | 103 | 29,415 | 22,722 |
Further assessment rate | 16.2% | 12.3% | 8.3% | 6.3% | 5.5% | 5.7% | 9.6% | 8.6% |
   Number of women recalled for further assessment | 1,222 | 1,906 | 1,576 | 1,248 | 665 | 38 | 6,617 | 5,395 |
Recall rate | 3.0% | 2.4% | 2.0% | 1.9% | 1.7% | 2.1% | 2.2% | 2.0% |
   Women undergoing open biopsy - benign result | 15 | 22 | 19 | 17 | 10 | 0 | 83 | 68 |
   Women undergoing open biopsy - malignant result | 76 | 214 | 236 | 287 | 173 | 20 | 986 | 910 |
Benign to malignant open biopsy ratio | 0.20 | 0.10 | 0.08 | 0.06 | 0.06 | 0.00 | 0.08 | 0.07 |
Number of women with detected breast cancer (cases preceded by neoadjuvant therapy excluded) | 80 | 237 | 257 | 322 | 194 | 21 | 1,090 | 1,010 |
Advanced cases (TNM II+) | 16 | 64 | 59 | 59 | 40 | 8 | 238 | 222 |
Advanced cases proportion | 20.0% | 27.0% | 23.0% | 18.3% | 20.6% | 38.1% | 21.8% | 22.0% |
Invasive cases | 70 | 209 | 214 | 292 | 171 | 21 | 956 | 886 |
Invasive cases proportion | 87.5% | 88.2% | 83.3% | 90.7% | 88.1% | 100.0% | 87.7% | 87.7% |
Node-negative invasive cases | 48 | 128 | 153 | 206 | 131 | 14 | 666 | 618 |
Proportion among invasive | 68.6% | 61.2% | 71.5% | 70.5% | 76.6% | 66.7% | 69.7% | 69.8% |
Invasive ≤ 10 mm cases | 23 | 78 | 77 | 115 | 73 | 9 | 366 | 343 |
Proportion among invasive | 32.9% | 37.3% | 36.0% | 39.4% | 42.7% | 42.9% | 38.3% | 38.7% |