Table 2.
PIK3CA status | pCR | Non‐pCR | pCR rate (%) | |
---|---|---|---|---|
Overall | MT | 323 | 841 | 28 |
WT | 1252 | 2052 | 38 | |
HR+ | MT | 39 | 268 | 13 |
WT | 276 | 731 | 27 | |
HR‐ | MT | 50 | 107 | 32 |
WT | 247 | 351 | 41 | |
HER2+ | MT | 287 | 636 | 31 |
WT | 1068 | 1482 | 42 | |
HER2‐ | MT | 17 | 132 | 11 |
WT | 94 | 317 | 23 | |
Exon 9 | MT | 28 | 175 | 14 |
Exon 20 | MT | 76 | 320 | 19 |
HR, hormone receptor; MT, mutant; pCR, pathological complete response; WT, wild type.