Table 2 Semi-quantitative IHC results: ER, PR, COX-2 and Aromatase
| Â | Â | Let n = 46 | Tam n = 39 | Total (n = 85) |
|---|---|---|---|---|
ER level (Allred score) | ||||
negative | ≤ 2 | 3 | 2 | 5 |
Low | 3 | 0 | 0 | 0 |
| Â | 4 | 1 | 1 | 2 |
| Â | 5 | 2 | 1 | 3 |
| Â | 6 | 6 | 3 | 9 |
High | 7 | 10 | 8 | 18 |
| Â | 8 | 21 | 19 | 40 |
N.A. (not assessable) | 3 | 5 | 8 | |
Total positive | 40 | 32 | 72 | |
PR level (Allred score) | ||||
negative | ≤ 2 | 9 | 9 | 18 |
Low | 3 | 3 | 1 | 4 |
| Â | 4 | 5 | 3 | 8 |
| Â | 5 | 4 | 5 | 9 |
| Â | 6 | 1 | 6 | 7 |
High | 7 | 6 | 0 | 6 |
| Â | 8 | 14 | 12 | 26 |
N.A. (not assessable) | 4 | 3 | 7 | |
Total positive | Â | 33 | 27 | 60 |
COX-2 level (Allred score) | ||||
negative | ≤ 2 | 13 | 11 | 24 |
Low | 3 | 0 | 2 | 2 |
| Â | 4 | 5 | 4 | 9 |
| Â | 5 | 10 | 2 | 12 |
| Â | 6 | 7 | 6 | 13 |
High | 7 | 5 | 7 | 12 |
| Â | 8 | 1 | 0 | 1 |
N.A. (not assessable) | 5 | 7 | 12 | |
Total positive | Â | 28 | 21 | 49 |
Aromatase level (Carcinoma cell SIP score) | ||||
negative | 0 | 10 | 5 | 15 |
Low | 1 | 3 | 3 | 6 |
| Â | 2 | 9 | 3 | 12 |
| Â | 3 | 2 | 3 | 5 |
| Â | 4 | 5 | 9 | 14 |
| Â | 6 | 8 | 5 | 13 |
| Â | 8 | 0 | 2 | 2 |
High | 9 | 2 | 3 | 5 |
| Â | 12 | 2 | 1 | 3 |
N.A. (not assessable) | 5 | 5 | 10 | |
Total positive | 30 | 30 | 60 | |