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

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