Table 4.

Patients’ characteristics of each arm.

	ARM A VERSUS B VISCERAL METASTASES		ARM A VERSUS B BONE METASTASES
	RR	P-VALUE	RR	P-VALUE
Age
18–<40	0.7	0.04	0.9	0.09
40–<51	0.8	0.05	1.0	0.1
51–<65	0.9	0.07	1.0	0.1
65–70	1.0	0.1	1.1	0.1
Performance status:(ECOG)
0	1.0	0.1	1.0	0.09
1	1.0	0.1	0.9	0.1
2	0.8	0.07	0.9	0.09
Pathological classification
Ductal	0.8	0.04	1.1	0.09
Lobular	0.9	0.09	0.9	0.09
Pathological grade
1	0	0	0	0
2	0.8	0.06	1.0	0.1
3	0.6	0.04	1.1	0.09
Initial stage (pathological)
I–II	1.0	0.1	1.1	0.1
III	0.8	0.05	0.9	0.9
Number of positive lymph node
0	1.0	0.1	1.2	0.1
1–3	1.0	0.07	1.1	0.1
4–9	0.8	0.05	1.0	0.09
>9	0.6	0.01	0.07	0.04
Receptor status: Her 2 neu
Positive	0.6	0.03	1.1	0.07
Negative	0.7	0.05	1.2	0.09
Invasion
Lymphatic	0.7	0.05	0.8	0.09
Vascular/Perineural	0.8	0.09	1.0	0.1