Table 2 Clinicopathologic characteristics of the ET and no-ET ER+/PR- patients.
Characteristic | ET(n = 981) | no-ET(n = 212) | p-Value |
|---|---|---|---|
Age(Mean(range)) | 56.8(22–87) | 55.3(30–82) | 0.063 |
ER+(%, median value) | 80 | 50 | 0.000 |
n(%) | n(%) | ||
Menstrual status | 0.009 | ||
Premenopausal | 248(25.4) | 72(34.1) | |
Postmenopausal | 730(74.6) | 139(65.9) | |
Unknown | 3 | 1 | |
T | 0.701 | ||
≤ 2 cm | 578(58.9) | 122(57.5) | |
> 2 cm | 403(41.1) | 90(42.5) | |
N | 0.942 | ||
0 | 660(67.3) | 141(66.5) | |
1 | 198(20.2) | 45(21.2) | |
2–3 | 123(12.5) | 26(12.3) | |
HER2 | 0.000 | ||
0 | 305(31.1) | 97(45.8) | |
1+/2+ | 676(68.9) | 115(54.2) | |
Ki67 | 0.023 | ||
≤ 20%+ | 524(53.4) | 95(44.8) | |
> 20%+ | 457(46.6) | 117(55.2) | |
Breast surgery | 0.941 | ||
Lumpectomy | 292(29.9) | 63(30.1) | |
Mastectomy | 685(70.1) | 146(69.9) | |
Unknown | 4 | 3 | |
Axillary surgery | 0.805 | ||
SLNB | 415(43.2) | 82(42.3) | |
ALND | 545(56.8) | 112(57.7) | |
Unknown | 21 | 18 | |
Post-lumpectomy RT | 0.000 | ||
Yes | 253(86.6) | 30(47.6) | |
No | 39(13.4) | 33(52.4) | |
Chemotherapy | 0.898 | ||
Yes | 795(81.0) | 171(80.7) | |
No | 186(19.0) | 41(19.3) |
