Table 2 Analysis of outcome between different groups

VAS (pre-op)

6.1 ± 1.7

5.7 ± 1.5

VAS (24 h post-op)

2.0 ± 1.2

1.9 ± 1.1

VAS (last follow-up)

1.4 ± 1.1

2.0 ± 1.2

Adjacent vertebral fracture (%)

8.6% (5/58)

11.4% (9/79)

Bone cement leakage (%)

6.9% (4/58)

6.3% (5/79)

Local kyphotic angle change (°)

3.4 ± 3.9

4.9 ± 4.1

Recompression (%)

5.2% (3/58)

16.5% (13/79)

AVHRR (%)

6.6 ± 4.0

5.8 ± 3.9

AVHLR (%)

4.0 ± 2.6

6.8 ± 3.8