Table 2.

Analysis of outcome between different groups

	Group A	Group B	p value
VAS (pre-op)	6.1 ± 1.7	5.7 ± 1.5	0.157
VAS (24 h post-op)	2.0 ± 1.2	1.9 ± 1.1	0.641
VAS (last follow-up)	1.4 ± 1.1	2.0 ± 1.2	0.002*
Adjacent vertebral fracture (%)	8.6% (5/58)	11.4% (9/79)	0.597
Bone cement leakage (%)	6.9% (4/58)	6.3% (5/79)	0.895
Local kyphotic angle change (°)	3.4 ± 3.9	4.9 ± 4.1	0.029*
Recompression (%)	5.2% (3/58)	16.5% (13/79)	0.042*
AVHRR (%)	6.6 ± 4.0	5.8 ± 3.9	0.241
AVHLR (%)	4.0 ± 2.6	6.8 ± 3.8	< 0.001*

*there was statistical difference when p < 0.05