Table 1.

Summarized data of the results

	Void + VP	VP alone	P
Maximum intravertebral pressure (kPa)	1.20 ± 1.04	5.09 ± 2.84	0.001*
Cement extravasation	33.3% (3 of 9)	55.6% (5 of 9)	0.319
Gender of donor (male versus female)	5 versus 4	6 versus 3	1.000
Bone density (g/cm3)	0.27 ± 0.074	0.21 ± 0.051	0.085
Vertebral body size (mm3)	22,995 ± 6,243	24,222 ± 6,616	0.691
Cement volume (mm3)	4,599 ± 416	4,844 ± 441	0.691

VP vertebroplasty.

*Significant difference.