Table 1

Pre- and postoperative VAS and ODI comparisons.

ScalePreoperativePostoperative P
3 d6 mo
VAS7.00 ± 0.354.32 ± 0.302.68 ± 0.24<0.001
ODI50.91 ± 3.3037.91 ± 2.0430.95 ± 1.74<0.001

  • Abbreviations: ODI, Oswestry Disability Index; VAS, visual analog scale.