Table 2 Patient demographics and sample characteristics
Age [years] | ||
Min | 37.7 | |
P25% | 55.7 | |
Median | 62.46 | |
P75% | 69.3 | |
Max | 83.5 | |
N | % | |
Menopausal status | ||
Premenopausal | 32 | 9.9 |
Perimenopausal | 6 | 1.9 |
Postmenopausal | 258 | 80.1 |
NA | 26 | 8.1 |
Breast-conserving surgery | ||
Yes | 279 | 86.6 |
No | 43 | 13.4 |
Histological subtype | ||
Invasive ductal | 243 | 75.5 |
Invasive lobular | 63 | 19.6 |
Tubular | 7 | 2.2 |
Mucinous | 5 | 1.6 |
Others | 4 | 1.2 |
Tumor grading | ||
G1 | 83 | 25.8 |
G2 | 224 | 69.6 |
G3 | 15 | 4.7 |
T-stage | ||
pT 1a | 5 | 1.6 |
pT 1b | 72 | 22.4 |
pT 1c | 185 | 57.5 |
pT 2 | 56 | 17.4 |
pT 3 | 4 | 1.2 |
N-stage | ||
pN 0 | 278 | 86.3 |
pN 1mic | 13 | 4 |
pN 1a | 25 | 7.8 |
pN 2a | 2 | 0.6 |
pN 3a | 3 | 0.9 |
NA | 1 | 0.3 |