Table 1 Baseline demographics and disease characteristics
Characteristic | Study 206 (N = 56) | Study 208 (N = 52) |
|---|---|---|
Age, years | ||
Median (range) | 56 (31, 85) | 60 (31, 81) |
Mean (SD) | 57 (11) | 59 (11) |
Female, n (%) | 56 (100) | 51 (98) |
Race, n (%) | ||
Caucasian | 42 (75) | 40 (77) |
Black or African American | 12 (21) | 11 (21) |
Asian | 1 (2) | 1 (2) |
Othera | 1 (2) | 0 |
Ethnicity, n (%) | ||
Hispanic or Latino | 3 (5) | 5 (10) |
Not Hispanic or Latino | 53 (95) | 47 (90) |
Mean time from original diagnosis of breast cancer, years (SD) | 5 (6) | 3 (3) |
Diagnosis of malignant disease, n (%) | ||
Ductal adenocarcinoma | 42 (75) | 46 (89) |
Lobular adenocarcinoma | 3 (5) | 3 (6) |
Other | 11 (20) | 3 (6) |
ER/PR/HER2 status, n (%) | ||
ER+ or PR+ | 44 (79) | 36 (69) |
ER- and PR- | 12 (21) | 15 (29) |
HER2+ | 0 | 52 (100) |
HER2- | 56 (100) | 0 |
Site of metastasis, n (%) | ||
Bone | 37 (66) | 19 (37) |
Liver | 25 (45) | 25 (48) |
Lung | 22 (39) | 24 (46) |
Skin | 5 (9) | 3 (6) |
Other | 35 (63) | 33 (64) |
Lymph node involvement only | 3 (5) | 4 (8) |