Relationship between therapeutic efficacy of arterial infusion chemotherapy and expression of P-glycoprotein and p53 protein in advanced hepatocellular carcinoma

Table 4 Correlation between PGP or p53 protein positivity and cumulative survival rates

Positivity	Number of patients		Survival rates (%)		Median survival	95%CI
		12 mo	24 mo	36 mo	time (mo)
Anthracycline group
PGP
Non-positive	11	90.9	54.6	9.1	26.5	15.8-37.2b
Positive	9	11.1	0.0	0.0	6.6	6.4-6.8
P53
Non-positive	12	58.3	41.7	8.3	18.3	0.0-41.4
Positive	8	50.0	12.5	0.0	9.7	0.0-20.7
Non-anthracycline group
PGP
Non-positive	15	80.0	53.3	33.3	24.5	13.3-35.8
Positive	6	50.0	16.7	16.7	9.3	0.0-21.2
P53
Non-positive	15	80.0	46.7	33.3	18.7	5.7-31.8
Positive	6	50.0	33.3	16.7	9.3	0.0-25.2

^bP < 0.01 vs positive group (log rank test).