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Table 2 Comparisons of VAS and ODI scores before and after operation in patients with LSS

From: Percutaneous transforaminal full endoscopic decompression for the treatment of lumbar spinal stenosis

Variables Preoperative
Mean ± S.D.
Postoperative 1 week
Mean ± S.D.
Postoperative 3 months
Mean ± S.D.
Postoperative 1 year
Mean ± S.D.
P
VAS for low back pain 6.70 ± 1.15 3.07 ± 1.09 2.90 ± 1.13 2.58 ± 1.11 < 0.001
VAS for leg pain 7.01 ± 0.84 2.63 ± 1.23 2.44 ± 1.33 2.28 ± 1.43 < 0.001
ODI 46.18 ± 10.11 19.29 ± 9.63 16.31 ± 9.87 14.40 ± 9.59 < 0.001
  1. VAS visual analog scale, ODI Oswestry disability index