Value of intravoxel incoherent motion and diffusion kurtosis imaging to differentiate hepatocellular carcinoma and intrahepatic cholangiocarcinoma

Table 2 Comparison of standard apparent diffusion coefficient, imaging intravoxel incoherent motion (pure diffusion coefficient, perfusion fraction, pseudo diffusion coefficient), and diffusion kurtosis imaging (mean diffusion coefficient and mean kurtosis coefficient) parameters between the hepatocellular carcinoma and intrahepatic cholangiocarcinoma groups

	Hepatocellular carcinoma	Intrahepatic cholangiocarcinoma	t value	P value
Standard apparent diffusion coefficient (× 10-3 mm²/second)	1.14 ± 0.23	1.54 ± 0.27	-6.073	0.000b
Pure diffusion coefficient (× 10-3 mm²/second)	1.23 ± 0.24	1.52 ± 0.38	-3.70	0.000b
Perfusion fraction (× 10-3)	190.45 ± 121.71	167.05 ± 89.24	0.773	0.443
Pseudo diffusion coefficient (× 10-3 mm²/second)	87.15 ± 55.83	49.90 ± 11.15	1.405	0.165
Mean kurtosis coefficient (× 10-3 mm²/second)	706.48 ± 204.62	605.19 ± 82.23	2.133	0.037a
Mean diffusion coefficient (× 10-3 mm²/second)	1.53 ± 0.39	1.92 ± 0.37	0.686	0.000b

^aP < 0.05.

^bP < 0.01.