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Table 2 Age-specific colorectal cancer detection data from Minnesota Colon Cancer Control Study with annual screening

From: Using observational data to estimate an upper bound on the reduction in cancer mortality due to periodic screening

 

number detected

number at risk

age

F

I

S

R*

C*

F

I

S

R*

C*

50

0

0

0

0

0

397

527

418

71

818

51

0

0

0

0

0

492

919

821

122

1377

52

0

0

0

0

0

518

1311

1186

165

1973

53

0

0

2

0

0

502

1675

1542

211

2509

54

0

2

2

0

1

536

2058

1923

248

3093

55

1

0

0

0

2

535

2251

2092

307

3711

56

0

0

2

1

3

551

2318

2157

359

4355

57

1

0

0

0

2

602

2442

2270

395

4965

58

0

1

1

0

6

603

2550

2405

446

5567

59

1

0

0

0

6

573

2820

2652

482

6189

60

0

2

2

0

5

651

3350

3125

527

6840

61

2

0

4

1

6

637

3823

3633

584

7480

62

1

0

5

1

11

655

4273

4077

633

8151

63

2

0

2

0

8

651

4747

4563

684

8770

64

2

1

7

3

7

635

5138

4910

719

9314

65

1

2

4

1

19

613

5231

5032

760

9854

66

2

1

4

0

26

596

5313

5124

779

10196

67

2

0

8

1

17

574

5318

5136

765

10185

68

2

2

3

1

19

501

5170

4998

767

10081

69

2

2

4

0

11

429

4944

4761

754

9911

70

1

1

2

3

18

411

4831

4673

753

9706

71

3

2

2

5

18

380

4658

4500

743

9376

72

0

1

5

5

15

313

4376

4243

730

8979

73

1

1

7

2

24

271

4140

4029

713

8474

74

0

0

7

1

22

252

3865

3746

673

8013

75

2

1

4

2

13

206

3574

3492

664

7512

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