Table 4 Comparison of preoperative, postoperative, and follow-up Cobb angles and vertebral heights among the three groups.

From: Impact of intravertebral cleft types on percutaneous kyphoplasty outcomes in osteoporotic vertebral compression fractures

Groups

Cobb angle (°)

VH (cm)

Preoperative

Post-operative

Follow-up

T, P (pre vs post)

T, P (post vs follow-up)

Preoperative

Post-operative

Follow-up

T, P (pre vs post)

T, P (post vs follow-up)

Liquid-IVC

13.46 ± 7.62

8.64 ± 5.54

12.47 ± 6.40

9.328,

0.001

−7.880,

0.001

1.77 ± 0.37

2.11 ± 0.72

1.75 ± 0.33

−4.731,

0.001

4.799,

0.001

Gas-IVC

14.33 ± 7.14

9.83 ± 5.25

12.53 ± 5.76

13.227,

0.001

 − 8.673,

0.001

1.82 ± 0.38

2.02 ± 0.35

1.84 ± 0.37

−15.812,

0.001

9.914,

0.001

Non-IVC

10.83 ± 5.01

7.72 ± 3.75

9.01 ± 4.49

10.807,

0.001

−4.196,

0.001

2.05 ± 0.40

2.21 ± 0.38

2.10 ± 0.40

−14.758,

0.001

6.873,

0.001

F

7.879

5.075

13.170

–

–

13.556

4.105

22.135

–

–

P

0.0012,3

0.0073

0.0012,3

–

–

0.0012,3

0.0173

0.0012,3

–

–

  1. VH vertebral height.
  2. 1indicates a significant difference between the liquid-IVC and gas-IVC groups (P > 0.05).
  3. 2indicates a significant difference between the liquid-IVC and non-IVC groups (P > 0.05).
  4. 3indicates a significant difference between the gas-IVC and non-IVC groups (P > 0.05).
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