Table 3

Age-specific colorectal cancer detection data from Minnesota Colon Cancer Control Study with biennial screening

number detected

number at risk



age

F

I

S

R*

C*

F

I

S

R*

C*


50

1

0

0

0

0

891

1015

658

102

1377

52

0

3

1

0

0

997

1789

1410

196

2510

54

2

1

1

0

3

1047

2594

2139

291

3723

56

1

1

2

1

5

1141

2986

2521

405

4979

58

1

2

3

1

12

1145

3279

2754

483

6212

60

2

1

3

1

11

1230

4227

3717

590

7508

62

3

6

3

3

19

1295

5123

4543

688

8774

64

6

2

3

2

26

1267

5914

5328

783

9734

66

5

5

7

3

43

1160

5924

5387

813

9821

68

3

2

7

4

30

961

5740

5240

822

9548

70

3

8

5

2

36

761

5253

4881

821

8958

72

4

10

4

4

39

621

4640

4307

787

8097

74

3

10

2

0

35

460

4171

3871

727

7133


F = first screen, I = interval between screens, S = subsequent screen, R = refuser, C = control * data excluded for PSE with only screened subjects

Baker et al. BMC Medical Research Methodology 2003 3:4   doi:10.1186/1471-2288-3-4

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