Comparison of clone EP1 and the SP1 in the Oncotype DX ER+ TMA set by cores
| SP1 | EP1 | # | Per cent |
|---|---|---|---|
| Positive/negative comparison by cores | |||
| Positive | Positive | 277 | 89.1 |
| Positive | Negative | 17 | 5.5 |
| Negative | Positive | 12 | 3.9 |
| Negative | Negative | 5 | 1.6 |
| Agreement | |||
| Positive agreement | 277/294=94.2% | ||
| Negative agreement | 5/17=29.4% | ||
| Overall agreement | 282/311=90.7% | ||
| κ (95% CI) | 0.208 (0.020 to 0.395) | ||
ER, oestrogen receptor.