Table 1: Preoperative and postoperative evaluation of the case series assessed using the visual analogue scale for pain and the oswestry disability index for low back pain.

Case

Age

Preoperative evaluation

Postoperative evaluation

VAS

ODI

VAS

ODI

1

48

9

70%

1

2%

2

39

8

75%

2

2%

3

39

10

85%

2

1%

4

35

9

85%

2

3%

5

35

9

90%

2

1%

6

56

10

85%

1

1%

7

38

10

95%

1

1%

8

24

8

94%

1

2%

Abbreviation: VAS: Visual Analogue Scale; ODI: Oswestry Disability Index