Table 1 Disparities in clinicopathological features amongst patients with the high and limited nodal burden
Variables | Total (n = 1274) | Limited nodal burden(%) (n = 1044) | High nodal burden (%) (n = 230) | χ2 | P值 |
|---|---|---|---|---|---|
Age | Â | Â | Â | 0.104 | 0.748 |
 ≤ 50 | 466 | 384(36.8) | 82(35.7) |  |  |
 >50 | 808 | 660(63.2) | 148(64.3) |  |  |
Marital status | Â | Â | Â | 0.001 | 0.977 |
 Unmarried | 8 | 5(0.5) | 3(1.3) |  |  |
 Married | 1266 | 1039(99.5) | 227(98.7) |  |  |
Fertility status | Â | Â | Â | 0.084 | 0.773 |
 No | 27 | 16(1.5) | 11(4.8) |  |  |
 Yes | 1247 | 1028(98.5) | 219(95.2) |  |  |
Menopause | Â | Â | Â | 2.138 | 0.144 |
 No | 522 | 449(43.0) | 73(31.7) |  |  |
 Yes | 752 | 595(57.0) | 157(68.3) |  |  |
Histologic grade | Â | Â | Â | 1.233 | 0.267 |
 I级 | 149 | 127(12.2) | 22(9.6) |  |  |
 II-III级 | 1125 | 917(87.8) | 208(90.4) |  |  |
Ki-67 | Â | Â | Â | 7.500 | 0.006 |
 Negative | 425 | 366(35.1) | 59(25.7) |  |  |
 Positive | 849 | 678(64.9) | 171(74.3) |  |  |
P53 | Â | Â | Â | 0.303 | 0.582 |
 Negative | 407 | 330(31.6) | 77(33.5) |  |  |
 Positive | 867 | 714(68.4) | 153(66.5) |  |  |
ER | Â | Â | Â | 0.123 | 0.726 |
 Negative | 333 | 275(26.3) | 58(25.2) |  |  |
 Positive | 941 | 769(73.7) | 172(74.8) |  |  |
PR | Â | Â | Â | 0.044 | 0.833 |
 Negative | 419 | 342(32.8) | 77(33.5) |  |  |
 Positive | 855 | 702(67.2) | 153(66.5) |  |  |
HER-2 | Â | Â | Â | 1.073 | 0.300 |
 Negative | 873 | 722(69.2) | 151(65.7) |  |  |
 Positive | 401 | 322(30.8) | 79(34.3) |  |  |
MS | Â | Â | Â | 11.044 | 0.011 |
 Luminal A | 365 | 317(30.4) | 48(20.9) |  |  |
 Luminal B | 591 | 464(44.4) | 127(55.2) |  |  |
 Her-2 overexpression | 140 | 114(10.9) | 26(11.3) |  |  |
 TN | 178 | 149(14.3) | 29(12.6) |  |  |
Location | Â | Â | Â | 11.008 | 0.012 |
 lower inner quadrant | 71 | 60(5.8) | 11(4.8) |  |  |
 upper outer quadrant | 685 | 545(52.2) | 140(60.9 |  |  |
 lower outer quadrant | 198 | 158(15.1) | 40(17.3) |  |  |
 upper inner quadrant | 320 | 281(26.9) | 39(17.0) |  |  |