Table 1.

Comparisons of computered tomography (CT) perfusion parameters between hepatocellular carcinomas (HCCs) and their surrounding non-tumor liver parenchymas.

CT perfusion parameters	HCC	Non-tumor parenchyma	Wilcoxon signed-rank test
Total BF (mL/min/100 g)	100.13 ± 33.69	156.81 ± 67.55	p = 0.002 **
Arterial BF (mL/min/100 g)	56.67 ± 20.06	47.62 ± 30.93	p = 0.10
Portal BF (mL/min/100 g)	42.72 ± 28.33	106.33 ± 70.07	p < 0.001 ***
Arterial fraction (Arterial BF/Total BF) (%)	57.99 ± 14.77	36.09 ± 20.67	p < 0.001 ***

Data are presented as mean ± standard derivation.

^**p < 0.01,

^***p < 0.001.

BF: blood flow.