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

Table 1 Clinical data of patients with hepatocellular carcinoma and intrahepatic cholangiocarcinoma

	Hepatocellular carcinoma (n = 40)	Intrahepatic cholangiocarcinoma (n = 18)	t/χ²	P value
Age	59.95 ± 9.32	61.72 ± 8.17	-0.694	0.490
Sex			12.002	0.001b
Male	35	8
Female	5	10
Size	5.79 ± 3.40	8.25 ± 2.58	-2.891	0.005b
Child-Pugh			2.145	0.143
A	38	15
B	2	3
History of hepatitis			9.908	0.007b
Hepatitis B	25	6
Hepatitis C	5	0
Without	5	12
Laboratory index
Alpha-fetoprotein	32/40	5/18	14.657	0.000b
Carbohydrate antigen 19-9	7/40	11/18	11.031	0.001b
Carcinoembryonic antigen	6/40	5/18	1.319	0.251
Abnormal prothrombin	32/40	3/18	20.808	0.000b

^aP < 0.05.

^bP < 0.01.

Quantitative variables are expressed as means ± SD. Qualitative variables are expressed as raw numbers; numbers in parentheses are proportions followed by percentages.