Table 2 Univariate comparisons of baseline characteristics.
Case/Control | ||||||
|---|---|---|---|---|---|---|
Case | Control | Overall | ||||
Characteristic | N | (%) | N | (%) | N | P-value* |
Menopausal category | ||||||
Postmen. before chemo | 9 | 90.0 | 34 | 89.5 | 43 | |
Postmen. after chemo | 1 | 10.0 | 4 | 10.5 | 5 | 0.99 |
Tumor size | ||||||
≤ 2 cm | 1 | 10.0 | 15 | 39.5 | 16 | |
> 2 cm | 9 | 90.0 | 23 | 60.6 | 32 | 0.13 |
Tumor grade | . | . | ||||
Grade 1 | 2 | 5.3 | 2 | |||
Grade 2 | 3 | 30.0 | 27 | 71.1 | 30 | |
Grade 3 | 7 | 70.0 | 9 | 23.7 | 16 | 0.03 |
Nodal status | ||||||
N-/Nx | 4 | 40.0 | 14 | 36.8 | 18 | |
N+ | 6 | 60.0 | 24 | 63.2 | 30 | 0.99 |
ER and PgR status | ||||||
ER-pos/PgR-pos | 5 | 50.0 | 33 | 86.8 | 38 | |
ER-pos/PgR-neg | 5 | 50.0 | 5 | 13.2 | 10 | 0.02 |
HER2 Positive | ||||||
No | 8 | 80.0 | 29 | 76.3 | 37 | |
Yes | 1 | 10.0 | 1 | 2.6 | 2 | |
Unknown | 1 | 10.0 | 8 | 21.0 | 9 | 0.41 |
Local therapy | ||||||
BCS and radiotherapy | 5 | 50. 0 | 24 | 63.2 | 29 | |
BCS and no radiotherapy | . | . | 1 | 2.6 | 1 | |
Mastectomy and radiotherapy | 4 | 40.0 | 9 | 23.7 | 13 | |
Mastectomy and no radiotherapy | 1 | 10.0 | 4 | 10.5 | 5 | 0.73 |
Adjuvant or neoadjuvant chemo | ||||||
No | 6 | 60.0 | 24 | 63.2 | 30 | |
Yes | 4 | 40.0 | 14 | 36.8 | 18 | 0.99 |
Treatment | ||||||
Letrozole | 7 | 70.0 | 21 | 55.3 | 28 | |
Tamoxifen | 3 | 30.0 | 17 | 44.7 | 20 | 0.49 |