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Table 3 Radiological outcomes of the two groups

From: Unipedicular versus bipedicular percutaneous vertebroplasty for osteoporotic vertebral compression fractures: a prospective randomized study

Time

Parameter

Group U

Group B

p-value

Ā Ā 

Nā€‰=ā€‰24

Nā€‰=ā€‰26

Ā 

Preoperative

Anterior vertebral body

41.8ā€‰Ā±ā€‰7.5

42.9ā€‰Ā±ā€‰8.0

0.63

Ā 

height variation, %

Ā Ā Ā 
Ā 

Middle vertebral body

46.9ā€‰Ā±ā€‰5.4

47.3ā€‰Ā±ā€‰6.1

0.81

Ā 

height variation, %

Ā Ā Ā 

Three days

Anterior vertebral body

56.3ā€‰Ā±ā€‰6.4*

59.0ā€‰Ā±ā€‰5.2ā€ 

0.11

postoperative

height variation, %

Ā Ā Ā 
Ā 

Middle vertebral body

58.5ā€‰Ā±ā€‰4.8*

59.6ā€‰Ā±ā€‰5.5ā€ 

0.44

Ā 

height variation, %

Ā Ā Ā 

Two years

Anterior vertebral body

53.0ā€‰Ā±ā€‰5.9*

55.6ā€‰Ā±ā€‰5.3ā€ 

0.11

postoperative

height variation, %

Ā Ā Ā 
Ā 

Middle vertebral body

55.4ā€‰Ā±ā€‰5.0*

56.8ā€‰Ā±ā€‰5.4ā€ 

0.34

Ā 

height variation, %

Ā Ā Ā 
  1. Group U: PVP through unipedicular approach
  2. Group B: PVP through bipedicular approach
  3. P values for between-group comparison were determined by t tests
  4. *P = 0.000, compared to Preoperative outcomes in Group U
  5. ā€ P = 0.000, compared to Preoperative outcomes in Group B