Table 4.

Disease-Free Survival Rate and 5-Year Survival Rate of 109 Patients with Breast Cancer according to Their MRP-1/CD9 and KAI-1/CD82 Gene Status

Characteristics	Disease-free survival rate (%)			5-year survival rate (%)
	Both +	Either − or both −	P value	Both +	Either − or both −	P value
Age at surgery (years)
≤50	80.0	51.9	0.3928	100.0	88.4	0.5242
>50	100.0	25.4	0.0001	100.0	80.4	0.0609
ER status
+	92.9	46.1	0.0782	100.0	94.7	>0.9999
−	95.0	35.6	0.0010	100.0	73.0	0.0571
Tumor status
T1	100.0	72.0	0.0360	100.0	100.0	>0.9999
T2	94.1	40.3	0.0178	100.0	83.7	0.2782
T3	80.0	25.0	0.0570	100.0	75.0	>0.9999
T4		25.0			50.0
Nodal status
N0	100.0	55.1	0.0147	100.0	90.9	0.5238
N1	92.9	28.3	0.0090	100.0	83.9	0.2621
N2	50.0	16.7	0.2125	100.0	26.7	>0.9999
Pathological stage
I	100.0	72.9	0.2157	100.0	100.0	>0.9999
II	100.0	38.3	0.0080	100.0	84.4	0.1725
III	60.0	27.3	0.1465	100.0	67.5	0.4965
Total number of patients	94.1	38.4	0.0003	100.0	84.4	0.0292