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Table 2 Spearman’s rank correlation coefficients between the percent density estimates yielded by the various density assessment method/image type combinations in control women

From: Impact of type of full-field digital image on mammographic density assessment and breast cancer risk estimation: a case-control study

Method

Image type

Area-based methods

Cumulus

LIBRA

Raw

Processed

Analogue-like

Raw

Processed

Cumulus

Raw

-

0.85* (n = 584)

0.81* (n = 684)

0.65* (n = 684)

0.75* (n = 584)

Processed

-

-

0.80* (n = 584)

0.66* (n = 584)

0.74* (n = 584)

Analogue-like

-

-

 

0.59* (n = 684)

0.71* (n = 584)

LIBRA

Raw

-

-

  

0.71* (n = 584)

Processed

-

-

 

-

-

  1. *P < 0.0001; n number of control women on which the analysis was based. LIBRA Laboratory for Breast Radiodensity Assessment