Table 2.
Treatment of breast cancer patients according to triple‐negative tumor status
| Triple‐negative breast cancer | P‐valuea | ||
|---|---|---|---|
| No (n = 2399) | Yes (n = 192) | ||
| n (%) | n (%) | ||
| Chemotherapy | |||
| Yes | 850 (35.5) | 157 (82.2) | <0.001b |
| Neoadjuvant | 184 (7.7) | 45 (23.6) | <0.001c |
| Adjuvant only | 666 (27.8) | 112 (58.6) | |
| No | 1544 (64.5) | 34 (17.8) | |
| Unknown | 5 | 1 | |
| Surgery | |||
| Yes | 2339 (97.5) | 189 (98.4) | 0.443b |
| BCS with radiotherapy | 1627 (67.8) | 129 (67.2) | 0.173d |
| Mastectomy | 559 (23.3) | 53 (27.6) | |
| Othere | 153 (6.4) | 7 (3.6) | |
| No | 60 (2.5) | 3 (1.6) | |
| Radiotherapy | |||
| Yes | 1872 (80.2) | 159 (85.9) | 0.066 |
| No | 463 (19.8) | 26 (14.1) | |
| Unknown | 64 | 7 | |
| Hormonotherapy | |||
| Yes | 1702 (80.5) | 5 (2.6) | <0.001 |
| No | 411 (19.5) | 185 (97.4) | |
| Unknown | 286 | 2 | |
BCS, breast conservative surgery.
a
P‐value calculated after exclusion of unknown.
b
P‐value for chemotherapy or surgery categorized as yes/no.
c
P‐value for chemotherapy yes: neoadjuvant vs. adjuvant only.
d
P‐value for surgery yes: BCS with radiotherapy vs. mastectomy vs. other.
e
The category other includes BCS without radiotherapy and surgery unknown.