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Table 2 The anterior and middle heights, AVBHr, MVBHr and the Cobb angle of injured vertebrae pre- and post-operatively in the observation group

From: Clinical effect of a novel transpedicular reducer for reduction and bone grafting combined with pedicle screw fixation for thoracolumbar burst fractures

 

Before the operation

After reduction

P-valuea

3 days after the operation

P-valueb

3 months after the operation

P-valuec

12 months after the operation

P-valued

anterior height (mm)

20.56 ± 3.74

29.53 ± 2.53

0.000*

29.88 ± 2.52

0.000*

28.36 ± 1.93

0.000*

27.96 ± 0.72

0.001*

middle height (mm)

20.36 ± 4.20

27.54 ± 1.00

0.000*

27.70 ± 2.01

0.000*

27.05 ± 2.45

0.000*

26.83 ± 2.45

0.001*

AVBHr

(%)

63.09 ± 8.91

97.22 ± 7.38

0.000*

97.54 ± 5.08

0.000*

96.46 ± 3.87

0.000*

94.89 ± 4.21

0.000*

HVBHr (%)

68.97 ± 8.43

97.34 ± 4.85

0.000*

97.40 ± 6.11

0.000*

96.05 ± 5.21

0.000*

93.11 ± 3.22

0.000*

Cobb angle(°)

11.80 ± 1.44

2.46 ± 1.00

0.000*

2.72 ± 0.70

0.000*

3.03 ± 0.65

0.000*

4.34 ± 0.56

0.001*

  1. *The difference between groups is statistically significant.p < 0.05
  2. afindings before operation compared with those after reducion
  3. bfindings before operation compared with those 3 days after the operation
  4. cfindings before operation compared with those 3 months after the operation
  5. dfindings before operation compared with those 12 months after the operation