Survival rates according to barcelona clinic liver cancer sub-staging system after transarterial embolization for intermediate hepatocellular carcinoma

Table 2 Baseline and tumoral characteristics

Characteristics	B1	B2	B3	B4	P value1
Age (yr)	62	61	60	60	0.77
Gender (male,%)	66	73	76	50	0.48
Caucasians (%)	95	99	96	100	0.28
HCV positive (%)	81	77	76	100	0.79
Alcohol (%)	33	33	34	0	1.00
PS (0) (%)	100	95	95	50	0.27
AST (U/L)	35	36	37	38	0.90
ALT (U/L)	64	67	69	70	0.80
GGT (U/L)	133	136	144	155	0.79
Platelets (× 1000/UL)	110	110	105	90	0.35
PT (%)	73	73	77	79	0.72
Albumin (U/L)	3.5	3.4	3.3	3.3	0.28
BT (mg/dL)	1.2	1.3	1.3	1.4	0.22
Creatinine	0.93	0.94	0.95	0.97	0.73
No. of TAE session	1.7	1.9	1.9	1.9	0.20

¹P value analysis excluded B4 subgroup (only 2 patients). HCV: Hepatitis C virus; PS: Performance status; AST: Aspartate transaminase; ALT: Alanine transaminase; GGT: Gamma-glutamyl transferase; PT: Prothrombine time; BT: Total bilirubin; TAE: Transarterial embolization.