Table 2.
Agreement between examiner 1 (gold standard) and examiner 2 (experimental ABVS data interpretation) focusing on the correct classification according to the ACR BI-RADS®-US system
|
Classification by examiner 1 using all information and HHUS (reference standard) |
Total | ||||
|---|---|---|---|---|---|
| BI-RADS 1 | BI-RADS 2 | BI-RADS 0, 3, 4 (excluded) | BI-RADS 5 | ||
| Classification by examiner 2 analyzing the ABVS data (experimental method) | |||||
| BI-RADS 1 | 13 | 1 | 0 | 0 | 14 |
| BI-RADS 2 | 1 | 4 | 0 | 0 | 5 |
| BI-RADS 0, 3, 4 | 9 | 6 | 0 | 6 | 21 |
| BI-RADS 5 | 0 | 2 | 0 | 8 | 10 |
| Total | 23 | 13 | 0 | 14 | 50 |
Abbreviations: ABVS, automated breast volume scanner; HHUS, handheld ultrasound.