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Table 1 Distribution of 54,997 screening examinations by BI-RADS density score by MTR marker, Denmark, 2012–2013

From: Sensitivity of screening mammography by density and texture: a cohort study from a population-based screening program in Denmark

MTR

BI-RADS

Total

Percentage

1

2

3

4

1

10,256

3569

217

55

13,652

25

2

3618

7912

2000

122

13,640

25

3

1430

6072

5257

881

13,608

25

4

340

4211

7352

1705

14,097

26

Total

15,644

21,764

14,826

2763

54,997

100

Percentage

28

40

27

5

100

 
  1. Chi-square = 43,255.71 with a p value < 0.00001 at df = 9