Overall follow-up MR imaging results by clinical status and clinical impact
| MRI Results | n | Clinical Status at Interval MRI | Clinical Impact of Interval MRI | ||||
|---|---|---|---|---|---|---|---|
| Improved | Equivocal | Worse | Prolong Antibiotics | Invasive Procedure | None Discernible | ||
| Improved | 21 | 17 | 4 | 0 | 5 | 2 | 14 |
| Equivocal | 5 | 3 | 1 | 1 | 3 | 0 | 2 |
| Worse | 6 | 5 | 0 | 1 | 2 | 1 | 3 |
Note:—One follow-up MR imaging exam was unable to be given an overall grade because no contrast was administered. Overall grade was based upon the combined assessment of epidural, paravertebral, and T2 disk space changes vs baseline findings.