The Effects of Bone Cement Volume in Percutaneous Vertebroplasty for Thoracolumbar Junction Vertebral Compression Fractures: A Clinical Comparative Study

Table 2

The VAS and RDQ scores at the different time points of measurement.

	Low-dose (≤5 mL)		High-dose (>5 mL)		value
		Mean (SD)		Mean (SD)
VAS at different periods
Initial	146		170		0.489
1 w	145		168		0.686
1 m	140		162		0.179
6 m	135		152		0.255
12 m	131		143		0.182
24 m	119		126		0.291
RDQ at different periods
Initial	146		170		0.689
1 w	145		168		0.249
1 m	140		162		0.193
6 m	135		152		0.383
12 m	131		143		0.417
24 m	119		126		0.570

VAS: visual analogue scale; RDQ: Roland-Morris Disability Questionnaire.