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Table 3 Comparisons of anterior vertebral height at the pre-operation, 3 days post-operation, and final follow-up between the two groups

From: A second puncture and injection technique for treating osteoporotic vertebral compression fractures

 

Group A (n = 86)

Group B (n = 107)

t

p

Pre-operation

2.17 ± 0.23

2.14 ± 0.18

0.933

0.352

3 days post-operation

2.40 ± 0.27*

2.44 ± 0.24*

− 0.836

0.404

Final follow-up

2.39 ± 0.27

2.29 ± 0.23

2.587

0.010

Restoration of anterior vertebral height at 3 days post-op

0.23 ± 0.23

0.30 ± 0.21

− 1.891

0.060

Loss of anterior vertebral height at the final follow-up

0.01 ± 0.03

0.14 ± 0.17

7.376

0.000

  1. Restoration of vertebral height: value of 3 days post-operation minus value of pre-operation. Loss of vertebral height: value of 3 days post-operation minus value of final follow-up
  2. *Compared with pre-operation of the same group, P < 0.05