Hepatocellular carcinoma after locoregional therapy: Magnetic resonance imaging findings in falsely negative exams

Table 1 P-values and Kappa values associated with the 7 different imaging features

	P-values		Kappa values
	Reader #1	Reader #2
Arterial-phase nodular enhancement	0.44	0.14	0.37 (fair agreement)
Arterial-phase non-nodular enhancement	0.25	0.008b	0.23 (fair agreement)
Gradual enhancement	0.47	0.15	0.10 (slight agreement)
Partial or complete T1 signal hypointensity	0.21	0.001b	0.15 (slight agreement)
Partial or complete T2 signal hyperintensity	0.047a	0.47	0.07 (slight agreement)
Lipid	0.56	0.44	-0.03 (no agreement)
Restricted diffusion	N/A1	N/A1	N/A1

^a,bP-values reached significance;

¹Could not be assessed due to collinearity. N/A: Not applicable.