Table 2.
Spearman correlation coefficients between ER expression and other prognostic factors
| Factor | ERβ | ERα |
|---|---|---|
| ERα (IHC) | 0.33 (p=0.0001) | ----- |
| ER (LBA) | 0.09 (p=0.15) | 0.76 (p=0.0001) |
| PR (IHC) | 0.25 (p=0.0001) | 0.58 (p=0.0001) |
| PR (LBA) | 0.04 (p=0.49) | 0.44 (p=0.0001) |
| Tumor grade | −0.01 (p=0.90) | −0.40 (p=0.0001) |
| Ki67 | −0.09 (p=0.16) | −0.36 (p=0.0001) |
| SPF | −0.08 (p=0.25) | −0.34 (p=0.0001) |
| Ploidy | 0.08 (p=0.20) | −0.11 (p=0.10) |