Table 4. Correlations between DKI and SEM parameters and histopathological results of HCC in the sorafenib induction group.

Parameters	NF				MVD				Ki-67 index				SD				Kurtosis
	r	95% CI	P*		r	95% CI	P*		r	95% CI	P*		r	95% CI	P*		r	95% CI	P*
MK	0.693	0.315–0.870	0.010		0.239	−0.369–0.761	0.392		0.452	−0.125–0.836	0.138		0.785	0.487–0.963	0.003		0.779	0.460–0.904	0.003
MD	0.794	0.495–0.930	0.003		0.403	−0.183–0.772	0.181		0.261	−0.287–0.726	0.366		0.629	0.167–0.967	0.020		0.645	0.246–0.790	0.018
α	−0.704	−0.868–(−0.386)	0.009		−0.391	−0.821–0.194	0.188		−0.368	−0.843–0.282	0.208		−0.754	−0.946–(−0.376)	0.003		−0.792	−0.958–(−0.491)	0.003
DDC	0.800	0.514–0.938	0.003		0.405	−0.151–0.798	0.181		0.268	−0.319–0.747	0.366		0.636	0.163–0.967	0.020		0.664	0.268–0.793	0.016

DKI, diffusion kurtosis imaging; SEM, stretched exponential model; HCC, hepatocellular carcinoma; SD, standard deviation; NF, necrotic fraction; MVD, micro-vessel density; MK, mean kurtosis; MD, mean diffusivity; DDC, distributed diffusion coefficient; CI, confidence interval; P*, Benjamini-Hochberg P value.