Clinical Impact of Breast Cancer Stem Cells in Metastatic Breast Cancer Patients

Table 4

Multivariate analysis of OS.

Prognostic factors	Hazard ratio	95% confidence interval (CI)	value
BCSCs			0.055
BCSCs	0.34	0.1─1.1
Non-BCSCs	1
Molecular subtype			0.012
Luminal A and B	1	1.2─6.9
Her2 and basal	2.96
Her2 disease		1.3─12.3	0.011
Negative disease	1
Positive disease	4.13
Grade			0.037
Low (G II)	1	1.05─6.09
High (G III)	2.53