| PIK3CAmutant | PIK3CAwild-type | n | Pvalue |
---|---|---|---|---|
ER at diagnosis | Â | Â | Â | Â |
   Positive | 14 | 18 | 32 | 0.0082 |
   Negative | 1 | 16 | 17 |  |
HER2 at diagnosis | Â | Â | Â | Â |
   Positive | 2 | 13 | 15 | 0.17 |
   Negative | 12 | 21 | 33 |  |
ER at recurrence | Â | Â | Â | Â |
   Positive | 13 | 14 | 27 | 0.0076 |
   Negative | 3 | 21 | 24 |  |
HER2 at recurrence | Â | Â | Â | Â |
   Positive | 1 | 11 | 12 | 0.79 |
   Negative | 14 | 24 | 38 |  |