Table 4.
Number of CAD regions queried
| Queried CAD regions | Non-queried FP CAD regions | Non-queried, unreported TP CAD regions | Non-queried CAD regions but reported TP finding | |
|---|---|---|---|---|
| Non-radiologists | ||||
| 1 | 290 | 293 | 2 | 2 |
| 2 | 338 | 244 | 3 | 2 |
| 3 | 330 | 251 | 4 | 2 |
| 4 | 500 | 83 | 3 | 1 |
| 5 | 196 | 377 | 7 | 7 |
| Average | 330.8 | 249.6 | 3.8 | 2.8 |
| Radiologists | ||||
| 6 | 176 | 396 | 8 | 7 |
| 7 | 262 | 319 | 6 | 0 |
| 8 | 209 | 365 | 9 | 4 |
| 9 | 444 | 140 | 3 | 0 |
| Average | 272.75 | 305 | 6.5 | 2.75 |
| Reader average | 305 | 274.22 | 5 | 2.78 |
There were 587 CAD regions in total; 546 false-positive CAD regions and 41 true-positive CAD regions