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Table 1 Performance indicators of the Czech Breast Cancer Screening Programme, according to year of screening, including all age groups (total).

From: Breast cancer screening in the Czech Republic: time trends in performance indicators during the first seven years of the organised programme

 

Year (screening mammography)

 

2002

2003

2004

2005

2006

2007

2008

Number of women screened

10,055

212,537

265,217

317,194

340,564

469,299

468,419

Estimate of 24 m coverage by examination

(women aged 45-69)

0.6%

13.1%

27.9%

33.8%

38.1%

44.8%

51.2%

   Number of women with detected breast cancer

48

1,053

1,250

1,445

1,570

2,542

2,128

Breast cancer detection rate

4.8

5.0

4.7

4.6

4.6

5.4

4.5

Standardized ratio (reference year 2008)

0.81

0.83

0.80

0.85

0.96

0.97

1.00

   Number of women undergoing further assessment

1,768

46,976

57,925

56,850

53,580

63,415

60,025

Further assessment rate

17.6%

22.1%

21.8%

17.9%

15.7%

13.5%

12.8%

Standardized ratio (reference year 2008)

0.90

1.20

1.21

1.14

1.10

1.01

1.00

   Number of women recalled for further assessment

557

12,095

11,725

11,931

10,429

13,977

12,955

Recall rate

5.5%

5.7%

4.4%

3.8%

3.1%

3.0%

2.8%

   Women undergoing open biopsy - benign result

21

504

347

285

194

249

173

   Women undergoing open biopsy - malignant result

43

867

1,021

1,259

1,347

2,149

1,794

Benign to malignant open biopsy ratio

0.49

0.58

0.34

0.23

0.14

0.12

0.10

   Number of women with detected breast cancer (cases preceded by neoadjuvant therapy excluded)

48

1,031

1,212

1,400

1,522

2,470

2,039

Advanced cases (TNM II+)

17

331

390

440

439

652

525

Advanced cases proportion

35.4%

32.1%

32.2%

31.4%

28.8%

26.4%

25.7%

Invasive cases

41

933

1,097

1,283

1,370

2,211

1,831

Invasive cases proportion

85.4%

90.5%

90.5%

91.6%

90.0%

89.5%

89.8%

Node-negative invasive cases

27

572

700

840

905

1,442

1,218

Proportion among invasive

65.9%

61.3%

63.8%

65.5%

66.1%

65.2%

66.5%

Invasive ≤ 10 mm cases

11

312

360

460

504

770

651

Proportion among invasive

26.8%

33.4%

32.8%

35.9%

36.8%

34.8%

35.6%