Table 2. The inter-observer difference for the study nodules on CT and MR imaging.

	Kappa value
MR imaging
T2WI	0.881±0.061
T1WI	0.821±0.046
Fatty metamorphosis	0.846±0.045
Typical HCC enhancing pattern on MRI (AASLD)	0.868±0.064
Hepatocyte phase	0.906±0.041
CT imaging
Arterial enhancement	0.858±0.052
Washout	0.837±0.052

T2WI  =  T2 weighted imaging; T1WI  =  T1 weighted imaging; AASLD  =  American Association for the Study of Liver Diseases.