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