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Table 3 Univariate modelling results from the training dataset

From: A novel and fully automated mammographic texture analysis for risk prediction: results from two case-control studies

Parameter

Standardized odds ratio

95% CI for odds ratio

χ2

P value

mC

95% CI for mC

Coarseness

1.22

(1.06–1.41)

7.28

6.98E-03

0.58

(0.53– 0.62)

Contrast

0.73

(0.62–0.85)

16.75

4.27E-05

0.40

(0.36– 0.45)

SD

1.32

(1.13–1.54)

13.11

2.94E-04

0.57

(0.52– 0.61)

Sum average 16

1.52

(1.31–1.77)

31.26

2.25E-08

0.61

(0.56– 0.65)

Sum average 32

1.52

(1.31–1.77)

31.75

1.75E-08

0.61

(0.56– 0.66)

Sum average 64

1.48

(1.28–1.71)

29.07

6.98E-08

0.58

(0.53– 0.63)

Volumetric PD

1.36

(1.18–1.57)

18.05

2.16E-05

0.59

(0.55– 0.64)

  1. Total number of observations (N) = 1051, including 264 cases and 787 controls. Standardized odds ratio is the change in odds for a standard deviation (in controls) increase in predictors, adjusted for age and body mass index. Sum average 16, 32 and 64 are the texture feature sum average using images downsized by a factor of 16, 32 and 64
  2. PD percent density, CI confidence interval, mC matched concordance index, SD standard deviation
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