Can DKI-MRI predict recurrence and invasion of peritumoral zone of hepatocellular carcinoma after transcatheter arterial chemoembolization?

Table 3 Diffusion kurtosis imaging derived metrics in true and pseudo-progressing lesions

	MK	MD	KR	KA	DR	DA	FAk
N	0.60 ± 0.15	1.90 ± 0.65	0.55 ± 0.16	0.60 ± 0.13	1.88 ± 0.55	2.20 ± 0.63	0.10 ± 0.09
Y	0.71 ± 0.24	1.60 ± 0.45	0.65 ± 0.29	0.70 ± 0.15	1.4 ± 0.38	2.10 ± 0.60	0.32 ± 0.22
Std-N	0.68 ± 0.27	1.89 ± 0.58	0.70 ± 0.31	0.61 ± 0.16	2.01 ± 0.54	1.60 ± 0.42	0.54 ± 0.32
Std-Y	0.81 ± 0.23	0.91 ± 0.18	0.75 ± 0.24	1.03 ± 0.20	0.88 ± 0.22	0.92 ± 0.22	1.07 ± 0.78
P value	0.270	0.009	0.679	0.000	0.003	0.000	0.000

N = pseudo-progressing group; Y = true progressing group. FAk: Anisotropy coefficient of kurtosis; MD: Mean diffusivity; MK: Mean kurtosis; KA: Axial kurtosis; KR: Radial kurtosis; DA: Axial diffusivity; DR: Radial diffusivity.