Table 4 Diagnostic performance of the different combination of DSCT parameters APλHU or typical radiological features

Enhanced blurring

0.600 (0.540–0.660)

0.564

0.635

–

0.001

Micro-calcification

0.623 (0.564–0.683)

0.517

0.729

–

<  0.001

APλHU

0.829 (0.787–0.872)

0.738

0.753

3.89

<  0.001

Micro-calcification+enhanced blurring

0.668 (0.611–0.725)

0.773

0.494

–

<  0.001

APλHU+micro-calcification

0.842 (0.801–0.883)

0.771

0.762

0.11

<  0.001

APλHU+enhanced blurring

0.846 (0.806–0.887)

0.779

0.776

0.18

<  0.001

APλHU+Radiological

0.858 (0.819–0.898)

0.791

0.800

−0.07

<  0.001