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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