Table 2.
Tumor characteristics for CNB and OEB results
| Characteristic |
No. (%) |
P value | |
|---|---|---|---|
| CNB | OEB | ||
|
Pathological type |
|
|
0.190 |
| Invasive ductal carcinoma |
260 (87.2) |
269 (90.3) |
|
| Invasive lobular carcinoma |
12 (4.0) |
11 (3.7) |
|
| Mixed carcinoma |
11 (3.7) |
3 (1.0) |
|
| Others |
15 (5.0) |
15 (5.0) |
|
|
Histological grading |
|
|
0.009 |
| I |
6 (2.0) |
4 (1.3) |
|
| II |
138 (46.3) |
151 (50.7) |
|
| III |
97 (32.6) |
114 (38.3) |
|
| NA |
57 (19.1) |
29 (9.7) |
|
|
Estrogen Receptor |
|
|
0.294 |
| Negative |
67 (22.5) |
78 (26.2) |
|
| Positive |
231 (77.5) |
220 (73.8) |
|
|
Progesterone Receptor |
|
|
0.502 |
| Negative |
120 (40.3) |
112 (37.6) |
|
| Positive |
178 (59.7) |
186 (62.4) |
|
|
HER2 |
|
|
0.768 |
| Negative |
233 (78.2) |
230 (77.2) |
|
| Positive |
65 (21.8) |
68 (22.8) |
|
|
Ki67 (%, mean) |
26.8 (1-90) |
29.3 (1-90) |
0.046 |
| <14 |
112 (37.6) |
89 (29.9) |
|
| ≥14 |
186 (62.4) |
209 (70.1) |
|
|
Hormonal receptor |
|
|
0.386 |
| Negative |
66 (22.1) |
75 (25.2) |
|
| Positive |
232 (77.9) |
223 (74.8) |
|
|
Molecular subtype |
|
|
0.484* |
| Luminal A |
97 (32.6) |
80 (26.8) |
|
| Luminal B |
135 (45.4) |
143 (48.0) |
|
| Luminal B (HER2-) |
97 (32.6) |
105 (35.2) |
|
| Luminal-HER2+ |
38 (12.8) |
38 (12.8) |
|
| Triple negative |
39 (13.1) |
45 (15.1) |
|
| HER2 positive | 27 (9.1) | 30 (10.1) | |
Abbreviation: CNB, core needle biopsy; OEB, open excision biopsy; NA, not available;
*: calculated with four subtypes classification.