Table 2 The change of VAS for back pain in the pre-and post-operative period.

From: Role of percutaneous vertebroplasty with high-viscosity cement in the treatment of severe osteoporotic vertebral compression fractures

Group

preop

2d postop

1y postop

hPVP

6.9 ± 1.1

3.1 ± 0.9

1.3 ± 0.6

cPKP

7.1 ± 1.1

3.2 ± 0.6

1.5 ± 0.6

P value

0.559

0.557

0.416

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