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

Table 1

Baseline characteristics of the 316 patients with thoracolumbar OVCFs treated with different volumes of cement.

	Low dose (≤5 mL)	High dose (>5 mL)	value
Number of patients	146	170
Sex, female; (%)	116 (79.5%)	139 (81.8%)	0.606
Age, years; mean (SD)	77.1 (8.4)	76.2 (8.5)	0.305
BMD (-value); mean (SD)	-2.7 (0.6)	-2.8 (0.7)	0.062
BMI (kg/m^2); mean (SD)	22.5 (2.8)	23.1 (3.7)	0.112
Cement volume, mL; mean (SD)	4.4 (0.8)	6.0 (0.6)	<0.01
Cement volume;
2.1-4.0 mL	43
4.1-5.0 mL	103
5.1-6.0 mL	151
6.1-8.0 mL	14
8.1-10.0 mL	5

BMD: bone mineral density; BMI: body mass index; OVCFs: osteoporotic vertebral compression fractures.