From: Efficacy of percutaneous kyphoplasty on vertebral compression fractures with different bone mineral densities: a retrospective study
Normal BMD group (n = 64)
Osteopenia group (n = 81)
Osteoporosis group (n = 87)
X 2
P
Number of bone cement leakage
8
5
14
1.37
0.60
Bone cement leakage rate
12.5%
6.2%
16.1%