Comparison of the number of levels treated regardless of procedure type, number of levels treated by kyphoplasty versus vertebroplasty, number of levels treated by transpedicular versus parapedicular approach, and number of levels treated by unilateral versus bilateral approach
| Groups, No. of Levels Treated | Pain after VA (mean) | No Pain after VA (mean) | P Valuea |
|---|---|---|---|
| Total | 57 (1.80) | 189 (2.01) | .49 |
| By kyphoplasty | 45 (1.6) | 138 (1.5) | .23 |
| By transpedicular approach | 53 (1.8) | 150 (1.6) | .17 |
| By unilateral approach | 38 (1.3) | 149 (1.6) | .17 |
Note:—VA, vertebral augmentation.
↵a Mann-Whitney U test.