Type of surgery | Frequency | Percent |
Laminectomy only | 7 | 17.9 |
Laminectomy + Foraminotomy | 10 | 25.6 |
Laminectomy + Discectomy | 4 | 10.3 |
Laminectomy + Foraminotomy + Discectomy | 6 | 15.4 |
Laminectomy + Foraminotomy + Discectomy + Inter-transverse fusion with autogenous bone graft | 2 | 5.1 |
Laminectomy + Foraminotomy + Inter-transverse fusion with autogenous bone graft | 7 | 17.9 |
Laminectomy + Inter-transverse fusion with autogenous bone graft | 3 | 7.7 |
Total | 39 | 100 |