Table 2 Inter-reader agreements of CTU features measured from the index lesion

Location

0.829

0.757-0.881

Morphology

0.777

0.687-0.843

Number of lesion

0.838

0.770-0.888

Calcification

0.821

0.747-0.875

Cystic degeneration

0.853

0.791-0.898

Junction smoothness

0.841

0.773-0.889

Maximum transverse diameter

0.889

0.829-0.927

Maximum longitudinal diameter

0.877

0.823-0.915

Tumor-wall interface

0.871

0.812-0.912

Non-enhanced CT value

0.817

0.739-0.873

arterial phase CT value

0.837

0.726-0.899