Table 2

VAS of patients who underwent conventional decompression and full endoscopic decompression.

VASConventional DecompressionFull Endoscopic DecompressionMean Difference
(95% CI)		 P Value
N = 132 N = 163
Back
 Preoperation1 (0–2)1.1 (0–2)0 (−1 to 1)0.708
 Postoperation
  0 mo4 (3–5.3)2 (1.5–3)0 (−1 to 1)0.033
  3 mo2 (1–3)1 (0–2)0 (−1 to 1)0.112
  6 mo1 (0–2)1 (0–2)0 (0–1)0.134
  12 mo1(0–2)0(0)0.111
Leg
 Preoperation6 (5.8–7)6 (6–7)0 (−1 to 1)0.909
  Postoperation
  0 mo3 (1–5)2 (0–3)0 (0–1)0.05
  3 mo1 (0–2)1 (0–2)1 (0–1)0.071
  6 mo1 (0–1)1 (0–1)1 (0–2)0.075
  12 mo1 (0–1)1(0–1)1(0–2)0.080

  • Abbreviation: VAS, visual analog scale.

  • Note: Decompression data presented as median (interquartile range).