Long-term outcome of percutaneous ethanol injection therapy for minimum-sized hepatocellular carcinoma

Table 3 Analysis of the prognostic value of patient- and tumor-related factors

		Probability of survival (%)
Factor	n	3-yr	5-yr	7-yr	10-yr	P value
Sex						0.595
Male	23	73.7	59.5	29.7	11.1
Female	8	62.5	33.3	0	0.0
Age (yr)						0.475
≤ 65	18	77.4	59.5	29.8	9.9
> 65	13	61.5	35.9	23.9	0.0
Cause of cirrhosis
HCV	29	72.2	46.2	23.1	15.4
Non-HCV	2	-	-	-	-
Liver dysfunction						0.025
Child-Pugh A	17	76.0	76.0	42.2	15.8
Child-Pugh B	14	64.3	17.1	8.6	0.0
AFP level (&mgr;g/L)						0.139
≤ 20	15	79.4	56.9	42.6	21.3
> 20	16	62.5	37.5	18.7	0.0
Tumor multiplicity						0.751
Uninodular	21	75.9	50.6	36.1	13.5
Multinodular	10	60.0	37.5	12.5	12.5
Tumor diameter (mm)						0.336
≤ 10	12	74.1	64.8	32.4	21.6
11-15	19	68.4	40.9	24.6	12.2
Histological characteristics						0.119
Well-differentiated	18	83.3	58.0	33.2	22.1
Well to moderately differentiated	13	61.5	38.5	19.2	0.0
Arterial blood flow						0.269
Positive	9	64.8	38.9	38.9	38.9
Negative	13	61.5	30.8	10.2	0.0
Portal blood flow						0.458
Positive	12	58.3	33.3	16.7	0.0
Negative	9	64.8	38.9	38.9	0.0