Table 2.
Readers’ Agreement Between BI-RADS Ratings
| Soft Copy Readings | Film Readings | ||||||
|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | Not Determined | Total Readings | |
| 1 | 47 | 21 | 8 | 15 | 0 | 0 | 91 |
| 2 | 27 | 85 | 8 | 11 | 0 | 0 | 131 |
| 3 | 15 | 4 | 34 | 6 | 1 | 0 | 60 |
| 4 | 11 | 6 | 5 | 94 | 16 | 0 | 132 |
| 5 | 0 | 0 | 0 | 3 | 20 | 0 | 23 |
| Not determined | 0 | 0 | 0 | 0 | 0 | 43 | 43 |
| Total readings | 100 | 116 | 55 | 129 | 37 | 43 | 480 |
| Percent agreement | 47.0 | 73.3 | 61.8 | 72.9 | 54.1 | 64.1 | |