Table 4 Correlation of clinicopathological charateristics in IDC patients with Ki67 ≤ 5% vs. ≥10%
| Â | Â | All IDC | AUS-IDC | HK-IDC | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Characteristics | No. with Ki67 ≤ 5 (%) | No. with Ki67 ≥ 10 (%) | p | No. with Ki67 ≤ 5 (%) | No. with Ki67 ≥ 10 (%) | p | No. with Ki67 ≤ 5 (%) | No. with Ki67 ≥ 10 (%) | p | |
Tumor size | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
|  | Median (range) | 1.4 (0.01 – 10.0) | 2.0 (0.01 – 14.5) | <0.0005 | 1.5 (0.2 - 6.5) | 2.2 (0.2 - 14.5) | <0.0005 | 1.3 (0.01 - 10.0) | 1.9 (0.01 - 10.0) | <0.0005 |
LN involvement | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
| Â | Negative | 177 (69.1%) | 493 (56.6%) | <0.0005 | 33 (66%) | 66 (46.5%) | 0.018 | 144 (69.9%) | 427 (58.6%) | 0.003 |
| Â | Positive | 79 (30.9%) | 378 (43.4%) | Â | 17 (34%) | 76 (53.5%) | Â | 62 (30.1%) | 302 (41.4%) | Â |
ER | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
| Â | Negative | 13 (4.9%) | 270 (30.0%) | <0.0005 | 1 (1.8%) | 35 (21.6%) | 0.001 | 12 (5.7%) | 235 (31.8%) | <0.0005 |
| Â | Positive | 252 (95.1%) | 630 (70.0%) | Â | 54 (98.2%) | 127 (78.4%) | Â | 198 (94.3%) | 503 (68.2%) | Â |
PR | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
| Â | Negative | 27 (10.2%) | 313 (34.9%) | <0.0005 | 3 (5.4%) | 40 (25.0%) | 0.002 | 24 (11.4%) | 273 (37.0%) | <0.0005 |
| Â | Positive | 239 (89.8%) | 585 (65.1%) | Â | 53 (94.6%) | 120 (75.0%) | Â | 186 (88.6%) | 465 (63.0%) | Â |
HER2 | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
| Â | Negative | 243 (92.0%) | 650 (73.0%) | <0.0005 | 54 (98.2%) | 125 (78.1%) | 0.001 | 189 (90.4%) | 525 (71.8%) | <0.0005 |
| Â | Positive | 21 (8.0%) | 241 (27.0%) | Â | 1 (1.8%) | 35 (21.9%) | Â | 20 (9.6%) | 206 (28.2%) | Â |