Table 1.

Baseline patient characteristics

Characteristic	Number	Percent
Age
Mean (SD)	55 (10)	–
Median (Range)	56 (33–73)	–
Race
White	20	91
Black or African American	2	9
Number of metastatic sites
1	3	14
2	3	14
≥ 3	16	72
ECOG performance status
0	16	73
1	6	27
Prior lines of chemotherapy for metastatic breast cancer
1	8	36
2	10	46
3	4	18