Comparison between percentage staining on core biopsy and excision specimen of patients with <60 days between core biopsy and surgery
| Excision | Core biopsy | |||||||
|---|---|---|---|---|---|---|---|---|
| 0 | <1 | 1–5 | 6–10 | 11–33 | 34–66 | 67–100 | Total | |
| The percentage categories correspond to those used in the Allred system with an additional cut-off at 5%; <1 = staining present in <1%. | ||||||||
| 0 | 88 | 0 | 0 | 1 | 1 | 0 | 0 | 90 |
| <1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1–5 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 3 |
| 6–10 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 2 |
| 11–33 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 4 |
| 34–66 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 6 |
| 67–100 | 0 | 0 | 0 | 2 | 0 | 8 | 223 | 233 |
| Total | 91 | 0 | 0 | 3 | 5 | 11 | 228 | 338 |