Table 2 Clinical information for the Luminal B cohorts per center (NKI, RUMC and SCDC)
| Â | NKI | % | RUMC | % | SCDC | % |
|---|---|---|---|---|---|---|
Cases | 409 | 100 | 87 | 100 | 47 | 100 |
Slides | 409 | 100 | 279 | 100 | 47 | 100 |
Response | ||||||
 pcr = 0 | 372 | 91 | 83 | 95 | 45 | 96 |
 pcr = 1 | 37 | 9 | 4 | 5 | 2 | 4 |
Age | ||||||
 Age ≤ 50 | 216 | 53 | 55 | 63 | 24 | 51 |
 Age > 50 | 193 | 47 | 32 | 37 | 23 | 49 |
Grade | ||||||
 Grade = 2 | 289 | 70 | 52 | 60 | 33 | 70 |
 Grade = 3 | 113 | 28 | 35 | 40 | 14 | 30 |
 Unknown | 7 | 2 | – | – | – | – |
T stage | ||||||
 T1/2 | 288 | 70 | – | – | – | – |
 T3/4 | 112 | 28 | – | – | – | – |
 Unknown | 9 | 2 | 87 | 100 | 47 | 100 |
N stage | ||||||
 N0 | 121 | 30 | – | – | – | – |
 N1 | 279 | 68 | – | – | – | – |
 Unknown | 9 | 2 | 87 | 100 | 47 | 100 |
Histology | ||||||
 IDC | 321 | 78 | – | – | 43 | 92 |
 ILC | 74 | 18 | – | – | 3 | 6 |
 Mixed | 7 | 2 | – | – |  |  |
 Other | 4 | 1 | – | – | 1 | 2 |
 Unknown | 3 | 1 | 87 | 100 | – | – |