Surgical procedures.
| Procedure | Number of patients | Procedure and level | Number of patients |
|---|---|---|---|
| Single level TLIF | 124 | TLIF – L3-L4 | 2 |
| TLIF – L4-L5 | 60 | ||
| TLIF – L5-S1 | 62 | ||
| 2 level TLIF | 15 | TLIF – L3-L5 | 1 |
| TLIF – L4-S1 | 14 | ||
| Single level PLIF | 5 | PLIF – L4-L5 | 1 |
| PLIF – L5-S1 | 4 | ||
| Posterolateral fixation | 6 | Postero-lateral Fixation – T11-L1 | 1 |
| Postero-lateral Fixation – L4-L5 | 2 | ||
| Postero-lateral Fixation – L5-S1 | 1 | ||
| Postero-lateral Fixation – L4-S1 | 2 | ||
| Total cases | 150 | 150 |