Observation of the effect of targeted therapy of 64-slice spiral CT combined with cryoablation for liver cancer

Table 2 Comparison of liver perfusion values before and after treatment (mean ± SD)

Tissue		64-slice group			Dual-slice group
		HAP(mL/min·100 mg)	PVP(mL/min·100 mg)	HAPI (%)	HAP(mL/min·100 mg)	PVP(mL/min·100 mg)	HAPI (%)
Tumor tissue	Pre-treatment	47.82 ± 16.71	8.51 ± 3.71	84.31 ± 13.22	48.42 ± 12.85	9.16 ± 3.75	82.27 ± 14.26
	Post-treatment	20.21 ± 9.42ac	8.13 ± 3.22	48.93 ± 9.42ac	26.21 ± 9.36a	8.53 ± 3.22	38.93 ± 9.42a
Adjacent tumor tissues	Pre-treatment	35.95 ± 15.25	47.81 ± 8.51	38.92 ± 16.91	35.95 ± 15.25	45.81 ± 8.51	37.92 ± 13.91
	Post-treatment	21.34 ± 9.95a	39.82 ± 14.33a	47.01 ± 9.71a	20.34 ± 9.95a	37.82 ± 14.33a	46.01 ± 9.71a
Normal liver tissue	Pre-treatment	25.65 ± 11.86	57.90 ± 18.93	28.62 ± 11.72	24.87 ± 13.48	58.93 ± 16.75	27.75 ± 14.68
	Post-treatment	26.02 ± 10.13	58.23 ± 16.94	27.43 ± 12.23	25.89 ± 10.78	59.78 ± 13.76	26.63 ± 12.25

^aP < 0.05, post-treatment vs pre-treatment in the group;

^cP < 0.05, vs the dual-slice group post-treatment. HAP: Hepatic artery perfusion; PVP: Portal vein perfusion; HAPI: Hepatic arterial perfusion index.