MRI and FE radiography results requiring surgical intervention
| N | Surgical intervention | |
| MRI normal | 53 | 0 |
| MRI abnormal | 55 | 7 |
| FE normal | 55 | 3 |
| FE abnormal | 12 | 3 |
| Only MRI | 41 | 1 |
| MRI+FE | 67 | 6 |
| MRI normal, FE normal | 34 | 0 |
| MRI abnormal, FE abnormal | 9 | 3 |
| MRI normal, FE abnormal | 3 | 0 |
| MRI abnormal, FE normal | 21 | 3 |
Distribution of n=108 patients by findings on MRI and/or FE radiography. The number of patients requiring surgical intervention for cervical spine stabilization was recorded for each subgroup. An “Abnormal” result was defined as a bony and/or ligamentous injury detected on imaging.
FE, flexion-extension.