Table 1 Questionnaire scores and clinical characteristics of the lumbar discectomy patients

N

18

18

Gender

male

8

8

female

10

10

Age (yrs)

Mean (SD)

44.39 (± 9.27)

49.72 (± 9.33)

0.094

BMI¹ ((%)

Mean (SD)

25.74 (± 3.36)

26.02 (± 3.36)

0.807

Pain on VAS² (cm)

Mean (SD)

0.69 (± 0.65)

4.7 (± 1.5)

<0.001

Radicular pain

11

Low back pain

7

Time since surgery (months)

Mean (SD)

56.00 (± 18.72)

61.50 (± 14.40)

0.405

Duration pain before operation (months)

Mean (SD)

57.06 (± 78.25)

62.12 (± 58.09)

0.427

motor

16

13

paresis

2

5

sensibility

Normal

12

12

Abnormal

6

6

Reflexes

Normal

15

12

Abnormal

3

6

Lasègue

Positive

0

3

Negative

18

15

Kemp

Positive

1

5

Negative

17

13

Slump

Positive

3

5

Negative

15

13

QBPDS ³

Mean (SD)

Min-max

14.41 (± 10.81)

0-36

41.72 (± 18.18)

16-75

<0.001

MPI ⁴

Mean (SD)

Min-max

45.71(± 16.12)

17-83

75.69 (± 20.68)

45-108

<0.001

TAMPA

Mean (SD)

Min-max

33.50 (± 9.71)

10-47

39.56 (± 6.33)

27-49

0.041