Percentage of complications in the 3 groups
| Group 1 (%) | Group 2 (%) | Group 3 (%)* | |
|---|---|---|---|
| Cement embolus to pulmonary vasculature without clinical sequelae | 1 | 1 | 1 |
| Cement embolus to epidural vein without clinical sequelae | 3 | 4 | 8 |
| Failure of infusion of adequate cement volume | 1 | 1 | 1 |
| Disk space cement injection | 10 | 13 | 14 |
| Paravertebral cement injection | 6 | 10 | 6 |
| Incident fracture | 12 | 16 | 19 |
* Number of procedures.