Table 4. Intraobserver Agreement for BI-RADS Final Categories .
BI-RADS Categories | Observer 1 κ value | Observer 2 κ value |
---|---|---|
Category 3 | 0.76 | 0.77 |
Category 4 | 0.77 | 0.94 |
Category 4a | 0.59 | 0.82 |
Category 4b | 0.52 | 0.71 |
Category 4c | 0.67 | 0.90 |
Category 5 | 0.86 | 0.94 |
Overall | 0.64 | 0.83 |