Table 3 Analysis of outcome between sub-Group B

VAS (pre-op)

5.8 ± 1.5

5.8 ± 1.4

5.3 ± 1.8

VAS (24 h post-op)

2.1 ± 1.2

1.8 ± 1.1

1.6 ± 1.2

VAS (last follow-up)

1.7 ± 1.3

2.4 ± 1.3

1.8 ± 1.6

Adjacent vertebral fracture (%)

16.7% (5/30)

8.1% (3/37)

8.3% (1/12)

Bone cement leakage (%)

6.7% (2/30)

8.2% (3/37)

0%(0/12)

Local kyphotic angle change (°)

4.7 ± 3.5

4.8 ± 4.4

5.7 ± 5.1

Recompression (%)

13.3% (4/30)

16.2% (6/37)

25%(3/12)

AVHRR (%)

5.4 ± 3.8

6.6 ± 3.7

4.7 ± 4.2

AVHLR (%)

7.6 ± 4.0

6.0 ± 3.9

7.1 ± 2.5