Discordant primary interpretations with false-positives and false-negatives by frequencies of adjudicated injury typesa
| Discordant Reports | No. | % |
|---|---|---|
| Discordant falsely identified fractures | 19/650 | 3 |
| Discordant falsely identified fractures by type | ||
| Facet | 6/19 | 32 |
| Vertebral body | 5/19 | 26 |
| Lamina | 4/19 | 21 |
| Transverse process | 2/19 | 11 |
| Spinous process | 1/19 | 5 |
| Subluxation | 1/19 | 5 |
| C1 arch | 1/19 | 5 |
| Discordant fractures missed on primary interpretation | 18/650 | 2.8 |
| Discordant missed fractures by type | ||
| C7 (transverse process, facet, or endplate) | 9/18 | 50 |
| C2 (dens, odontoid, pedicle, transverse foramen, lateral mass) | 5/18 | 28 |
| C4 (spinous process, vertebral body, foramina) | 4/18 | 22 |
| Occipital condyle | 2/18 | 11 |
| C5 (transverse process, foramina) | 2/18 | 11 |
| Teardrop | 1/18 | 5.5 |
| C1 arch | 1/18 | 5.5 |
↵a Data presented in this table are those of patients with discordant results postadjudication. Note that some cases had multiple cervical spinal fractures.