From: Evaluation of surgical outcome of Jack vertebral dilator kyphoplasty for osteoporotic vertebral compression fracture—clinical experience of 218 cases
Before surgery
VAS
8.2 ± 1.3
ODI (%)
78.2 ± 13.3
One week post surgery
1.7 ± 0.9#
18.5 ± 7.3#
Final follow-up
1.8 ± 0.8*
20.9 ± 6.8*