Number of fluoroscopically assisted cases to reach 5000 mrem
| Scenario | Lateral position | Posterior position | Total dosage | Cases/year |
|---|---|---|---|---|
| SS | 6.6 | 757 | ||
| SS + PS | 6.6 | 2.2 | 15.4 | 324 |
| SS or RS | 1.4 | 3571 | ||
| SS or RS + PS | 1.4 | 2.2 | 3.6 | 1388 |
Abbreviations: PS, pedicle screw insertion with 1 minute of fluoroscopy when standing near intensifier7; RS, reversed setup; SS, standard setup.