| 特征 | HER2阳性(%) | HER2阴性(%) | 统计值 |
| 年龄 |
|
|
|
| <35岁 | 19 (2.65) | 85 (3.56) | P = 0.013 |
| ≤50岁 | 284 (39.61) | 1069 (44.82) | χ2 = 8.709 |
| >50岁 | 414 (57.74) | 1231 (51.62) |
|
| 组织学分级 |
|
|
|
| I级 | 0 (0) | 114 (4.78) | P = 0.000 |
| II级 | 275 (38.35) | 1638 (68.68) | χ2 = 312.511 |
| III级 | 442 (61.65) | 633 (26.54) |
|
| 大小 |
|
|
|
| T1 | 336 (46.86) | 1524 (63.90) | P = 0.000 |
| T2 | 366 (51.05) | 840 (35.22) | χ2 = 69.173 |
| T3 | 15 (2.09) | 21 (0.88) |
|
| ER |
|
|
|
| 阳性 | 381 (53.14) | 2054 (86.12) | P = 0.000 |
| 阴性 | 336 (46.86) | 331 (13.88) | χ2 = 355.319 |
| PR |
|
|
|
| 阳性 | 310 (43.24) | 1955 (81.97) | P = 0.000 |
| 阴性 | 407 (56.76) | 430 (18.03) | χ2 = 419.818 |
| Ki-67 |
|
|
|
| 高表达 | 683 (95.26) | 1725 (72.33) | P = 0.000 |
| 低表达 | 34 (4.74) | 660 (27.67) | χ2 = 166.908 |