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| Additional procedures | Frequency | Percent | Valid percent | Cumulative percent |
|---|---|---|---|---|
| None | 39 | 70.9 | 70.9 | 70.9 |
| ALIF | 1 | 1.8 | 1.8 | 72.7 |
| Epidural injection | 2 | 3.6 | 3.6 | 76.4 |
| Facet injection | 3 | 5.5 | 5.5 | 81.8 |
| Laminectomy & facet injection | 1 | 1.8 | 1.8 | 83.6 |
| SNRB | 9 | 16.4 | 16.4 | 100.0 |
| Total | 55 | 100.0 | 100.0 | – |
ALIF, anterior lumbar interbody fusion; SNRB, selective nerve root block.
