Number of vertebral bodies treated and number containing gas
| No. of Vertebral Bodies | No. of Patients | Subtotal of Vertebral Bodies Treated |
|---|---|---|
| 3 treated | ||
| 0 with gas | 1 | 3 |
| 1 with gas | 1 | 3 |
| 2 with gas | 1 | 3 |
| 3 with gas | 0 | 0 |
| 2 treated | ||
| 0 with gas | 4 | 8 |
| 1 with gas | 6 | 12 |
| 2 with gas | 4 | 8 |
| 1 treated | ||
| 0 with gas | 14 | 14 |
| 1 with gas | 22 | 22 |