Table 1.
Demographic and disease characteristics
Characteristics | BC (n=68) | NC (n=60) |
---|---|---|
| ||
Age (years) | ||
Mean (SD) | 51.3 (9.1) | 52.4 (9.4) |
Range | 31 – 76 | 29 – 81 |
| ||
Body mass index (BMI, kg/m2) | ||
Mean (SD) | 27.6 (7.4) | 25.9 (7.0) |
Range | 19.3 – 61.9 | 19.1 – 56.7 |
| ||
Race [n (%)] | ||
Caucasian | 60 (88.2) | 51 (85.0) |
Non-Caucasian | 8 (11.8) | 9 (15.0) |
| ||
Education [n (%)] | ||
Below completed college | 32 (47.1) | 21 (35.0) |
Completed college and above | 36 (52.9) | 39 (65.0) |
| ||
Marital status [n (%)] | ||
Never married | 3 (4.4) | 7 (11.7) |
Divorced/separated/widowed | 19 (27.9) | 12 (20.0) |
Married | 46 (67.7) | 41 (68.3) |
| ||
Household annual income [n (%)] | ||
≤ $100,000 | 25 (36.8) | 21 (35.0) |
> $100,000 | 43 (63.2) | 39 (65.0) |
| ||
Baseline menopausal status [n (%)] | ||
pre-menopause | 28 (41.2) | 20 (33.9) |
peri-menopause | 8 (11.8) | 8 (13.6) |
post-menopause | 27 (39.7) | 22 (37.3) |
hysterectomy | 5 (7.3) | 9 (15.3) |
Not available | 0 | 1 |
| ||
Cancer stage [n (%)] | - | |
Stage I | 19 (28.4) | |
Stage II | 27 (40.3) | |
Stage III | 21 (31.3) | |
Not available | 1 | |
| ||
Surgery type | - | |
Lumpectomy | 31 (45.6) | |
Mastectomy | 31 (45.3) | |
Double mastectomy | 3 (4.4) | |
No surgery before Chemotherapy | 3 (4.4) | |
Not available | 0 | |
| ||
Days between surgery and start of chemotherapy | - | |
Available (n=47) | ||
Mean (SD) | 42.0 (16.7) | |
Range | 14 – 106 | |
Not available (n=21) | - | |
| ||
Chemotherapy regimen [n (%)] | - | |
AC | 13 (19.7) | |
AC followed by docetaxel | 6 (9.1) | |
AC followed by paclitaxel | 34 (51.5) | |
Other | 13 (19.7) | |
Not available | 2 |
Note: BC= women with breast cancer, NC=cancer-free controls. No significant differences between the two groups in age, BMI, race, education, marital status, household annual income and baseline menopause status (all p’s>0.2). AC = Doxorubicin + Cyclophosphamide.