Details of the specimens used in the study and the source from where they were obtained
| ERα study | FFPE specimen type | Source/description | Number of specimens |
|---|---|---|---|
| Analytical specificity | 30 normal tissue types | Dako Tissue Bank/tissue arrays | 90 (89 evaluable) |
| Concordance of clone EP1 and ERα component of the ER/PR pharmDx kit | Breast carcinoma (TMAs) | BioChain (Z7020004, Z7020005, T8235721), LifeSpan (LS-BRCA32) | 274 |
| Breast carcinoma (single blocks) | Dako Tissue Bank/single specimens | 40 | |
| Comparison study of EP1 and SP1 | Oncotype DX (TMA) | Indiana University/ER+ with Oncotype DX | 311 cores/176 cases |
| Breast carcinoma (TMA) | Indiana University/long-term follow-up data available | 617 cores/390 cases |
ER, oestrogen receptor; FFPE, formalin-fixed, paraffin-embedded.