Table 2.

Comparisons of diffusion-weighted imaging parameters among four groups

Parameters (mean ± SD)	BS group (n = 5)	B group (n = 6)	S group (n = 5)	C group (n = 6)	χ2	p
Dt(×10-3 mm2/s)	0.599 ± 0.116	0.530 ± 0.067	0.519 ± 0.068	0.475 ± 0.034	5.739	0.125
Dp(×10-3 mm2/s)	6.114 ± 3.782	9.071 ± 5.513	11.848 ± 5.092	13.988 ± 5.174	6.580	0.087
f	0.016 ± 0.009	0.018 ± 0.009	0.024 ± 0.017	0.038 ± 0.010	8.910	0.031
MD(×10-3 mm2/s)	0.695 ± 0.173	0.596 ± 0.094	0.534 ± 0.103	0.505 ± 0.038	9.502	0.023
MK	0.665 ± 0.132	0.903 ± 0.155	1.016 ± 0.191	1.020 ± 0.123	10.375	0.016
DDC(×10-3 mm2/s)	0.524 ± 0.079	0.459 ± 0.047	0.456 ± 0.067	0.420 ± 0.018	7.523	0.057
α	0.912 ± 0.023	0.887 ± 0.028	0.865 ± 0.046	0.853 ± 0.023	9.002	0.029
D(×10-3 mm2/s)	0.432 ± 0.043	0.399 ± 0.024	0.398 ± 0.047	0.390 ± 0.042	3.169	0.366
β	0.932 ± 0.026	0.906 ± 0.022	0.884 ± 0.036	0.871 ± 0.039	9.739	0.021
µ(μm)	5.962 ± 1.130	5.745 ± 0.766	5.766 ± 1.035	4.297 ± 1.540	6.795	0.079

Significant results reported in bold characters. Data are expressed as mean ± SD. B Bufalin treatment, BS Bufalin plus sorafenib treatment, C Control, DDC Distributed diffusion coefficient, MD Mean diffusivity, MK Mean kurtosis, S Sorafenib treatment, SD Standard deviation