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

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.