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Table 4 Effect of study group on pathological attributes of interval cancers and second round screen-detected cancers

From: Impact of false-positive mammography on subsequent screening attendance and risk of cancer

 

Size (mm)

Grade

Node status

Stage

Laterality

Tumour risk group

 

20+

< 20

Odds ratioa

3

1+2

Odds ratiob

+ve

-ve

Odds ratioc

2+

1

Odds ratiod

Left

Right

Odds ratioe

3

1 + 2

Odds ratiof

Interval cancer

                  

   Nonassessed

160

124

1.00

72

148

1.00

101

133

1.00

179

131

1.00

139

162

1.00

75

216

1.00

   Assessed normal

26

14

1.44 (0.72–2.87)

5

22

0.47 (0.17–1.28)

13

18

0.95 (0.45–2.03)

25

15

1.22 (0.62–2.40)

22

17

1.51 (0.77–2.95)

4

34

0.34 (0.12–0.99)

   Assessed benign

1

1

0.78 (0.05–12.51)

1

0

-

1

2

0.66 (0.06–7.36)

1

2

0.37 (0.03–4.08)

2

2

1.17 (0.16–8.38)

2

2

2.88 (0.40–20.81)

   All assessed

27

15

1.40 (0.71–2.74)

6

22

0.56 (0.22–1.44)

14

20

0.92 (0.44–1.91)

26

17

1.12 (0.58–2.15)

24

19

1.47 (0.77–2.80)

6

36

0.48 (0.19–1.18)

Second screen cancer

                  

   Nonassessed

78

275

1.00

57

256

1.00

72

206

1.00

104

253

1.00

180

172

1.00

54

294

1.00

   Assessed normal

11

24

1.62 (0.76–3.44)

5

23

0.98 (0.36–2.68)

10

19

1.51 (0.67–3.39)

13

22

1.44 (0.70–2.96)

16

16

0.96 (0.46–1.97)

4

30

0.73 (0.25–2.14)

   Assessed benign

0

1

-

0

1

-

0

1

-

0

1

-

0

1

-

0

1

-

   All assessed

11

25

1.55 (0.73–3.29)

5

24

0.94 (0.34–2.56)

10

20

1.43 (0.64–3.20)

13

23

1.37 (0.67–2.82)

16

17

0.90 (0.44–1.84)

4

31

0.70 (0.24–2.07)

All cancers

                  

   Nonassessed

238

399

1.00

129

404

1.00

173

339

1.00

283

384

1.00

319

334

1.00

129

510

1.00

   Assessed normal

37

38

1.63 (1.01–2.64)

10

45

0.70 (0.34–1.42)

23

37

1.22 (0.70–2.11)

38

37

1.39 (0.86–2.25)

38

33

1.21 (0.74–1.97)

8

64

0.49 (0.23–1.06)

   Assessed benign

1

2

0.84 (0.08–9.29)

1

2

1.57 (0.14–17.41)

1

3

0.65 (0.07–6.33)

1

3

0.45 (0.05–4.37)

2

3

0.70 (0.12–4.21)

2

3

2.64 (0.44–15.94)

   All assessed

38

40

1.59 (0.99–2.55)

11

47

0.73 (0.37–1.46)

24

40

1.18 (0.69–2.01)

39

40

1.32 (0.83–2.11)

40

36

1.16 (0.72–1.87)

10

67

0.59 (0.30–1.18)

  1. a Odds ratio of cancer measuring 20 mm and above versus < 20 mm. b Odds ratio of cancer of grade 3 versus grades 1 or 2. c Odds ratio of node positive cancer versus node negative. d Odds ratio of cancer of stage 2 or above versus stage 1. e Odds ratio of cancer in the left breast versus in the right breast. f Odds ratio of cancer of risk group 3 versus risk groups 1 or 2 [9].
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Breast Cancer Research

ISSN: 1465-542X

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