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Table 1 Patient characteristecs

From: Characteristics of relief and residual low back pain after discectomy in patients with lumbar disc herniation: analysis using a detailed visual analog scale

Age

43.6 (14.7)

Sex

 Male

34

 Female

31

Dominant side

 Lt

33

 Rt

26

 Blt

6

Herniation level

 L3/4

6

 L4/5

28

 L5/S

31

Pfirrmann classification before surgery

 2

2

 3

39

 4

19

 5

2

 Unable

3

Modic type before surgery

 None

48

 1

3

 2

10

 3

1

 Unable

3

Surgidal procedure

 C

31

 T

28

 B

6

  1. C: discectomy with conventional hemi laminectomy
  2. T: discectomy using a tubular retractor
  3. B: discectomy with bilateral laminectomy