Prevalence, sensitivities, specificities, and ORs of the CT findings
| Finding | Cases (n = 36) | Controls (n = 50) | Sensitivity (95% CI) | Specificity (95% CI) | OR, P Value (95% CI) |
|---|---|---|---|---|---|
| Scalene muscle edema/enlargement | 34 | 6 | 94.44 (81.86–98.46) | 88.00 (76.19–94.38) | 130.33; P < .001 (24.77–685.87) |
| Interscalene fat pad effacement | 34 | 5 | 94.44 (81.86–98.46) | 90.00 (78.64–95.65) | 153.00; P < .001 (27.97–836.89) |
| First-rib fracture | 14 | 7 | 38.89 (24.78–55.14) | 86.00 (73.81–93.05) | 3.91; P = .01 (1.38–11.09) |
| Cervical lateral mass or transverse process fracture | 20 | 4 | 55.56 (39.58–70.46) | 92.00 (81.16–96.85) | 14.38; P < .001 (4.27–48.45) |
| Extra-axial spinal canal hemorrhage | 10 | 0 | 27.78 (15.85–43.99) | 100.00 (92.86–100) | 40.02; P = .01 (2.26–709.90) |
| Spinal cord eccentricity | 5 | 0 | 13.89 (6.08–28.66) | 100.00 (92.86–100) | 17.63; P = .05 (0.9425–329.97) |