Table I.
Characteristics | FBR (n=10) | IDC (n=10) | Control (n=8) |
---|---|---|---|
Mean age ± SD, years | 41.3±16.3 | 49.7±14.7 | 47.4±8.0 |
Ethnicitya, n (%) | |||
White | 7 (70.0) | 3 (30.0) | 7 (87.5) |
Black/Mixed | 1 (10.0) | 3 (40.0) | 1 (12.5) |
NI | 2 (20.0) | 4 (40.0) | 0 (0.0) |
Menarche, n (%) | |||
≤12 years | 4 (40.0) | 3 (30.0) | 5 (62.5) |
>12 years | 4 (40.0) | 4 (40.0) | 3 (37.5) |
NI | 2 (20.0) | 3 (30.0) | 0 (0.0) |
Menopause, n (%) | |||
<45 years | 0 (0.0) | 1 (10.0) | 2 (25.0) |
≥45 years | 2 (20.0) | 3 (30.0) | 3 (37.5) |
NI | 1 (10.0) | 2 (20.0) | 0 (0.0) |
NM | 7 (70.0) | 4 (40.0) | 3 (37.5) |
Children, n (%) | |||
No child | 5 (50.0) | 3 (30.0) | 2 (25.0) |
1 | 1 (10.0) | 2 (20.0) | 2 (25.0) |
2 | 2 (20.0) | 1 (10.0) | 2 (25.0) |
≥3 | 1 (10.0) | 3 (30.0) | 1 (12.5) |
NI | 1 (10.0) | 1 (10.0) | 1 (12.5) |
Oral contraceptive use, n (%) | |||
Yes | 7 (70.0) | 3 (30.0) | 7 (87.5) |
No | 1 (10.0) | 5 (50.0) | 1 (12.5) |
NI | 2 (20.0) | 2 (20.0) | 0 (0.0) |
History of breast/ovarian cancer, n (%) | |||
Yes | 7 (70.0) | 2 (20.0) | 4 (50.0) |
No | 1 (10.0) | 5 (50.0) | 4 (50.0) |
NI | 2 (20.0) | 3 (30.0) | 0 (0.0) |
Alcoholism, n (%) | |||
Yes | 4 (40.0) | 1 (10.0) | 2 (25.0) |
No | 4 (40.0) | 7 (70.0) | 6 (75.0) |
NI | 2 (20.0) | 2 (20.0) | 0 (0.0) |
Smoking, n (%) | |||
Yes | 1 (10.0) | 3 (30.0) | 4 (50.0) |
No | 7 (70.0) | 5 (50.0) | 4 (50.0) |
NI | 2 (20.0) | 2 (20.0) | 0 (0.0) |
Lymph node infiltrationb, n (%) | |||
Yes | – | 5 (50.0) | – |
No | – | 2 (20.0) | – |
NI | – | 3 (30.0) | – |
Ethnicity was self-declared
Sentinel lymph node infiltration. SD, standard deviation; FBR, fibroadenoma; IDC, infiltrative ductal carcinoma; NI, not informed; NM, not menopausal.