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Preoperative and Postoperative MRI Grade
| Mean Outcome Scores | Preoperative Grade | Postoperative Grade | Pre-/Postextrusion |
|---|---|---|---|
| Patient 1 | 3 | 3 | N/N |
| Patient 2 | 3 | 2b | N/N |
| Patient 3 | 3 | 3 | N/N |
| Patient 4 | 3 | 3 | N/N |
| Patient 5 | 2c | 3 | Y/N |
| Patient 6 | 3 | 2c | N/N |
| Patient 7 | 3 | 3 | N/N |
N, no; MRI, magnetic resonance imaging; Y, yes.
