highly significantp<0.001
Highly significant improvements (p<0.001) in the average ODI and VAS were found after 12 months (ODI change from 70.6% to 30.1% and VAS change from 7.7 to 1.4 points).
Highly significant improvements (p<0.001) in the average ODI and VAS were found after 12 months (ODI change from 70.6% to 30.1% and VAS change from 7.7 to 1.4 points).