Table 2.
Reasons of inconsistencies among BI-RADS categories.
| Reference | Test | Reason | Frequency |
|---|---|---|---|
| The reasons of the differences among BI-RADS categories for Reference data set and Test set | |||
| B0 | B1–2 | Lymph node and “Stability” information of the lesion was not detected by NLP Lymph node was not detected by NLP |
1 2 |
| B0 | B4 | Lymph node and “Stability” information of the lesion was not detected by NLP “Density” and “Shape” information of the lesion was not detected by NLP |
1 1 |
| B1–2 | B3 | Skin Thickening and “Stability” information of the lesion was not detected by NLP | 1 |
| B1–2 | B4 | Skin Lesion was not detected by NLP | 1 |
| B3 | B1–2 | Calcification was not found by NLP | 3 |
| B4 | B1–2 | Calcification was not found by NLP | 3 |