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Table 2 Agreement between two qualitative (Wolfe, Tabár) and two quantitative (median percentage density measurements) classifications

From: Percentage density, Wolfe's and Tabár's mammographic patterns: agreement and association with risk factors for breast cancer

 

Totals

Wolfe

 
  

N1

P1

P2

DY

 

Tabár

 

190, 2.6, 0.4

335, 9.4, 5.5

228, 21.5, 15.5

234, 39.5, 26.5

 

I

470, 15.0, 9.4

0

255, 9.2, 5.1

165, 22.1, 13.9

50, 39.3, 19.8

Tabár low-risk: 754, 10.1, 6.0

II

194, 2.7, 0.4

188, 2.6, 0.4

6, 8.6, 2.9

0

0

 

III

90, 12.3, 8.6

1, 4.8, 1.8

73, 9.9, 7.6

14, 19.5, 15.8

2, 34.0, 14.6

 

IV

159, 30.3, 23.7

1, 41.8, 22.1

1, 9.2, 14.4

49, 20.5, 18.8

108, 36.4, 27.3

Tabár high-risk: 233, 34.9, 25.2

V

74, 46.4, 28.1

0

0

0

74, 46.4, 28.1

 
  

Wolfe low-risk: 525, 6.3, 2.8

Wolfe high-risk: 462, 28.6, 19.4

 
  1. Measurements by reader GM (with Cumulus software) are shown in italics, and by reader GU (with Madena software) in bold. Total n = 987 women.