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Table 2 Areas under proper binormal receiver operating characteristic curves constructed from responses on the BI-RADS scale

From: Dual-energy contrast-enhanced digital mammography: initial clinical results of a multireader, multicase study

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MX ± US

MX ± US ± CEDM

Increase in Az

1

0.835 ± 0.047

0.872 ± 0.041

0.037 ± 0.026

2

0.907 ± 0.042

0.916 ± 0.030

0.009 ± 0.036

3

0.843 ± 0.042

0.851 ± 0.044

0.009 ± 0.031

4

0.809 ± 0.047

0.849 ± 0.040

0.041 ± 0.026

5

0.791 ± 0.050

0.844 ± 0.040

0.053 ± 0.041

6

0.780 ± 0.049

0.891 ± 0.032

0.111 ± 0.033 (P = 0.001)

Overall

0.827 ± 0.036

0.871 ± 0.027

0.043 ± 0.019

95% CI

0.756 to 0.899

0.817 to 0.92

0.001 to 0.085 (P = 0.045)

  1. Az, area under receiver operating characteristic curve estimated by using proper binormal model; BI-RADS, Breast Imaging, Reporting and Data System; CEDM, contrast-enhanced digital mammography; CI, confidence interval, inference used MRMC methods; MX, mammography; US, ultrasonography.
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Breast Cancer Research

ISSN: 1465-542X

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