Table 2.
Comparison between original reads of estrogen receptor immunohistochemistry positivity with digital imaging analysis’ reads and pathologists’ reads.
| Original read |
Total |
Concordance | |||||
|---|---|---|---|---|---|---|---|
| ER-positive |
ER-negative |
||||||
| Total case# | 73 | 24 | 97 | ||||
| DIA read | ER-positive | 70 | 95.9% | 3 | 12.5% | 73 | 93.8% |
| ER-negative | 3 | 4.1% | 21 | 87.5% | 24 | ||
| Pathologist read-1 | ER-positive | 69 | 94.5% | 3 | 12.5% | 72 | 92.8% |
| ER-negative | 4 | 5.5% | 21 | 87.5% | 25 | ||
| Pathologist read-2 | ER-positive | 73 | 100.0% | 0 | 0.0% | 73 | 100.0% |
| ER-negative | 0 | 0.0% | 24 | 100.0% | 24 | ||
Abbreviations: DIA: digital imaging analysis; ER: estrogen receptor.