| A (pre-treatment) | P (pre-treatment) | T (pre-treatment) | Total | ||||
---|---|---|---|---|---|---|---|---|
 | n | ER-α-positive | n | ER-α-positive | n | ER-α-positive | n | ER-α-positive |
ER- β-negative | 11 | 9 | 12 | 9 | 5 | 3 | 28 | 21 |
ER- β-positive | 13 | 9 | 16 | 14 | 18 | 13 | 47 | 36 |
ER-α/ER-β ratio < 1 | 5 | 2 | 5 | 2 | 8 | 4 | 18 | 8 |
ER-α/ER-β ratio between 1 and 1.5 | 9 | 7 | 7 | 6 | 6 | 5 | 22 | 18 |
ER-α/ER-β ratio > 1.5 | 10 | 9 | 16 | 15 | 9 | 7 | 35 | 31 |