Skip to main content

Table 3 Comparison of the clinical outcomes of the TESSYS and ZESSYS groups

From: Application of a targeted and quantificational foraminoplasty device in percutaneous transforaminal endoscopic discectomy for L5–S1 disc herniation: preliminary clinical outcomes

  TESSYS ZESSYS p value
VAS score for low back pain
 Preoperative 3.60 ± 0.95 3.38 ± 0.69 0.310
 Postoperative 2.20 ± 0.92* 2.36 ± 1.03* 0.541
 12 months 1.48 ± 1.02* 1.30 ± 0.84* 0.467
VAS score for leg pain
 Preoperative 5.91 ± 1.23 6.17 ± 1.61 0.505
 Postoperative 2.10 ± 0.97* 2.25 ± 0.86* 0.532
 12 months 1.22 ± 0.70* 1.10 ± 0.84* 0.572
ODI score
 Preoperative 59.36 ± 8.33 61.57 ± 7.89 0.312
 Postoperative 15.50 ± 4.48* 16.07 ± 4.82* 0.648
 12 months 12.50 ± 3.06* 12.07 ± 3.67* 0.637
MacNab criteria (12 months)
 Excellent 17 19 0.569
 Good 7 6
 Fair 4 3
 Poor 0 0
  1. VAS visual analog scale, ODI Oswestry Disability Index
  2. *Compared with preoperatively, P < 0.05