Table 2.

HAF,PVF and PI obtained by pertusion CTP scanning

	Parameters	MEAN	SD	Minimum	Maximum	P value
Background Liver	HAF	78.3	10.8	68.4	89.3
	PVF	171.3	29.6	142.6	230.6
	PI	20.3	7.7	15.3	29.6
	HAF	135.5	35.6	96.9	188.4	0.039
HCC	PVF	118.9	16.7	81.9	133.4	0.087
	PI	48.9	17.6	28.5	67.2	0.108

HAF indicates hepatic artery flow (milliliter per 100 mL/min); PI, perfusion index (%); PVF, portalvein flow (milliliter per 100 mL/min)