Table 2.

Comparison of blood flow parameters between the hepatocellular carcinoma group and benign control group.

Group	Cases	Diameter of hepatic artery (mm)	Hepatic artery peak velocity (cm/s)	Minimum hepatic artery flow rate (cm/s)	RI	Portal vein flow velocity (cm/s)
HCC group	98	5.6 ± 0.4e	119.22 ± 16.34e	22.86 ± 2.69a	0.85 ± 0.07a	10.53 ± 1.02a
Control group	50	4.1 ± 0.3	61.24 ± 6.59	8.37 ± 1.32	0.43 ± 0.03	17.51 ± 3.64
t		3.286	7.369	3.698	4.365	3.204
P		0.017	<0.001	0.012	0.006	0.023

^a P < 0.05, compared with the control group.