Skip to main content

Table 1 Baseline Characteristics of the Two Groups

From: Comparison of lumbar endoscopic unilateral laminotomy bilateral decompression and minimally invasive surgery transforaminal lumbar interbody fusion for one-level lumbar spinal stenosis

  LE-ULBD MIS-TLIF P value
N 32 80
Male/ Female 12/20 32/48 0.808
Age (years) 56.7 ± 9.1 (28–77) 58.8 ± 10.5 (39–85) 0.515
Levels involved
 L2-L3 0 (0%) 2 (2.5%) 0.652
 L3-L4 3 (9.4%) 2 (2.5%)
 L4-L5 20 (62.5%) 52 (65%)
 L5-S1 9 (28.1%) 24 (30%)
Preoperative symptoms
 Back pain 29 (90.6%) 71 (88.8%) 0.777
 Leg pain 28 (87.5%) 70 (87.5%) 1.000
 Numbness 26 (81.2%) 67 (83.8%) 0.751
 Motor weakness 21 (65.6%) 58 (72.5%) 0.473
  1. N indicates number of patients included in the statistical analysis, LE-ULBD lumbar endoscopic unilateral laminotomy bilateral decompression, MIS-TLIF minimally invasive surgery transforaminal lumbar interbody fusion
\