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Table 2 Comparison of clinical efficacy between the two groups

From: Comparison of the clinical outcomes of percutaneous vertebroplasty vs. kyphoplasty for the treatment of osteoporotic Kümmell’s disease:a prospective cohort study

Parameter

PVP group

PKP group

t/χ2

P

Follow-up time (months)

35.3 ± 6.99

35.2 ± 7.63

0.115

0.909

Amount of bone cement injected (ml)

4.2 ± 1.15

4.6 ± 1.55

−1.875

0.065

Operation time (min)

34.8 ± 3.47

45.1 ± 5.15

−56.032

0.000

Intraoperative blood loss (ml)

16.9 ± 3.49

21.2 ± 5.29

−15.479

0.000

Fluoroscopy times

15.8 ± 3.50

20.5 ± 4.16

−19.060

0.000

Bone cement leakage

 Yes (cases)

5

3

0.163

0.686

 No (cases)

24

25

  

VAS scores

 Before surgery

8.0 ± 0.77

8.0 ± 0.75

0.698

0.486

 At 1 day after surgery

2.8 ± 0.75*

2.7 ± 0.81*

0.301

0.764

 At 1 year after surgery

2.4 ± 0.70*

2.6 ± 0.84*

−1.398

0.165

 At 2 years after surgery

2.5 ± 0.70*

2.5 ± 0.84*

−0.356

0.722

ODI

 Before surgery

84.5 ± 5.94

84.9 ± 8.23

−2.293

0.062

 At 1 day after surgery

29.0 ± 7.62*

30.4 ± 7.73*

−3.533

0.056

 At 1 year after surgery

29.8 ± 7.02*

29.9 ± 7.01*

−0.407

0.684

 At 2 years after surgery

29.9 ± 7.11*

31.0 ± 7.56*

−2.872

0.054

Adjacent vertebral fractures

 Yes (cases)

2

3

0.220

0.639

 No (cases)

26

25

  
  1. *Compared to before surgery, P = 0.000