| 临床病理特征 | IDC组 (n = 1746) | ILC组 (n = 57) | 值 | P值 | 
| 性别 | 
 | 
 | 
 | 
 | 
| 男性 | 2 (0.1) | 0 (0.0) | — | 1.000 | 
| 女性 | 1744 (99.9) | 57 (100.0) | ||
| 年龄(岁) | 52.41 ± 10.31 | 54.18 ± 9.36 | −1.279 | 0.201 | 
| BMI | 
 | 
 | 
 | 
 | 
| <24 | 1065 (61.0) | 37 (64.9) | 0.356 | 0.551 | 
| ≥24 | 681 (39.0) | 20 (35.1) | ||
| 婚姻状况 | 
 | 
 | 
 | 
 | 
| 已婚 | 1609 (92.2) | 55 (96.5) | 0.914 | 0.339 | 
| 其他* | 137 (7.8) | 2 (3.5) | ||
| 月经状态# | 
 | 
 | 
 | 
 | 
| 绝经前 | 913 (52.3) | 24 (42.1) | 2.321 | 0.128 | 
| 绝经后 | 831 (47.6) | 33 (57.9) | ||
| 生育史 | 
 | 
 | 
 | 
 | 
| 有 | 1608 (92.1) | 56 (98.2) | 2.133 | 0.144 | 
| 无 | 138 (7.9) | 1 (1.8) | ||
| 乳腺癌家族史 | 
 | 
 | 
 | 
 | 
| 有 | 20 (1.1) | 0 (0.0) | — | 1.000 | 
| 无 | 1726 (98.9) | 57 (100.0) | ||
| 系统疾病 | 
 | 
 | 
 | 
 | 
| 有 | 454 (26.0) | 16 (28.1) | 0.122 | 0.726 | 
| 无 | 1292 (74.0) | 41 (71.9) | ||
| 乳房手术方式 | 
 | 
 | 
 | 
 | 
| 单切 | 1462 (83.7) | 47 (82.5) | 0.066 | 0.797 | 
| 保乳 | 284 (16.3) | 10 (17.5) | ||
| 腋窝手术方式 | 
 | 
 | 
 | 
 | 
| SLNB | 779 (44.6) | 29 (50.9) | 0.875 | 0.350 | 
| ALND | 967 (55.4) | 28 (49.1) | ||
| 病理肿瘤大小 | 
 | 
 | 
 | 
 | 
| T1 | 1088 (62.3) | 36 (63.2) | 1.699 | 0.428 | 
| T2 | 613 (35.1) | 18 (31.6) | ||
| T3-4 | 45 (2.6) | 3 (5.3) | ||
| 淋巴结转移 | 
 | 
 | 
 | 
 | 
| 有 | 599 (34.3) | 17 (29.8) | 0.493 | 0.483 | 
| 无 | 1147 (65.7) | 40 (70.2) | ||
| LVI | 
 | 
 | 
 | 
 | 
| 有 | 171 (9.8) | 3 (5.3) | 1.299 | 0.254 | 
| 无 | 1575 (90.2) | 54 (94.7) | ||
| ER状态 | 
 | 
 | 
 | 
 | 
| 阴性 | 463 (26.5) | 6 (10.5) | 7.334 | 0.007 | 
| 阳性 | 1283 (73.5) | 51 (89.5) | ||
| PR状态 | 
 | 
 | 
 | 
 | 
| 阴性 | 732 (41.9) | 16 (28.1) | 4.364 | 0.037 | 
| 阳性 | 1014 (58.1) | 41 (71.9) | ||
| HER-2状态 | 
 | 
 | 
 | 
 | 
| 阴性 | 1128 (64.6) | 47 (82.5) | 7.951 | 0.019 | 
| 阳性 | 428 (24.5) | 6 (10.5) | ||
| 未知 | 190 (10.9) | 4 (7.0) | ||
| Ki-67指数 | 
 | 
 | 
 | 
 | 
| <14% | 544 (31.2) | 29 (50.9) | 11.203 | 0.004 | 
| ≥14% | 1112 (63.7) | 24 (42.1) | ||
| 未知 | 90 (5.2) | 4 (7.0) | ||
| 分子分型 | 
 | 
 | 
 | 
 | 
| Luminal A型 | 318 (18.2) | 16 (28.1) | 12.209 | 0.032 | 
| Luminal B型(HER-2阴性) | 587 (33.6) | 26 (45.6) | ||
| Luminal B型(HER-2阳性) | 149 (8.5) | 5 (8.8) | ||
| HER2阳性型 | 172 (9.9) | 2 (3.5) | ||
| 三阴性 | 261 (14.9) | 4 (7.0) | ||
| 未知 | 259 (14.8) | 4 (7.0) |