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Table 2 Preoperative and postoperative VAS and ODI of CVP and BVP groups

From: Unilateral curved versus bipedicular vertebroplasty in the treatment of osteoporotic vertebral compression fractures

Variable

CVP group

N = 29

BVP group

N = 75

P-value

Preoperative VAS

8.3 ± 1.0

8.2 ± 0.8

0.626

Postoperative 1 day VAS

3.2 ± 1.7#

3.4 ± 1.2#

0.691

Postoperative 3 month VAS

2.4 ± 1.2#

2.8 ± 0.9#

0.104

Postoperative 6 month VAS

2.0 ± 1.1#

2.3 ± 1.0#

0.222

Postoperative 12 month VAS

1.9 ± 1.0#

1.8 ± 0.9#

0.760

Preoperative ODI

75.0 ± 11.1

73.4 ± 11.7

0.529

Postoperative 3 month ODI

42.5 ± 15.1*

45.5 ± 11.4*

0.288

Postoperative 6 month ODI

36.2 ± 10.4*

38.0 ± 9.6*

0.386

Postoperative 12 month ODI

28.7 ± 11.5*

29.3 ± 10.3*

0.797

  1. The table shows results of the outcome measures for both groups at preoperative, 3 months, 6 months and 12 months postoperative. Data are expressed as mean values (SD). Visual Analogue Scale (VAS, scale: 0 to 10), Oswestry Disability Index (ODI, scale: 0–100).# compare with preoperative VAS, P<0.05; * compare with preoperative ODI, P<0.05
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