Experimental and clinical assessment of percutaneous hepatic quantified ethanol injection in treatment of hepatic carcinoma

Table 1 Comparison of TGI between groups (mean ± SD )

Groups	Cases (n)	TGI	P
A: QESI	8	0.072 ± 0.018	> 0.051
B: QELI	8	0.094 ± 0.028	< 0.01b
C: SELI	8	1.982 ± 0.482	< 0.01d

¹P > 0.05 vs group B,

^bP < 0.01 vs group C,

^dP < 0.01 vs group A.

Table 2 Comparison of the percentage of tumor necrosis between groups

Necrosis area	QESI (A)	QELI (B)	SELI (C)	P
80%-	87.5 (7/8)	50 (4/8)	0	< 0.01b
				< 0.01d
30%-	12.6 (1/8)	50 (4/8)	100 (8/8)	< 0.01f

^bP < 0.01 between groups A and C,

^dP < 0.01 between groups A and B,

^fP < 0.01 between groups B and C.

Table 3 Efficacy of PEI reported in literature

				Survival rate (%)
Scholar	Time	Cases	Diameters of nodules (cm)	1 yr	2 yr	3 yr	4 yr	5 yr
Ebara	1992	112	≤ 3	94	84	63	49	39
Castells	1992	162	< 5	90	80	63
Li Po	1996	188	4.6	85	44	19
This article	2002	58	> 3	84	64	58	52
This article	2002	64	≤ 3	94	85	72	63

Table 4 Comparison of the recurrent rates between groups

Group	Total	Recurrent rate in situ (%)				Recurrent rate in dystopia (%)
	Cases	1 yr	2 yr	3 yr	4 yr	1 yr	2 yr	3 yr	4 yr
> 3 cm (A)	58	6.9 (4/58)	7.1 (3/42)	24.2 (8/33)	28.6 (6/21)	15.5 (9/58)	21.4 (9/42)	36.4 (12/33)	52.4 (11/21)
≤ 3 cm (B)	64	0 (0/64)a	2.1 (1/48)	5.1 (2/39)a	4.2 (1/24)a	9.0 (6/64)	10.4 (5/48)	12.8 (5/39)a	20.8 (5/24)a

^aP < 0.05 vs group A.