Time points | Group A (n = 59) | Group B (n = 53) | P value |
---|---|---|---|
Pre-operation | 7.88 ± 1.08 | 7.75 ± 1.09 | 0.539 |
Establishment of the puncture channel | 6.27 ± 1.17 | 6.33 ± 1.20 | 0.762 |
Pressure changes in the vertebral body | 6.86 ± 1.29 | 8.33 ± 1.30 | 0.000 |
Bone cement injection | 7.11 ± 1.19 | 8.71 ± 1.08 | 0.000 |
Immediately after the operation | 3.35 ± 1.06 | 3.75 ± 1.01 | 0.045 |
Postoperative 2 h | 2.52 ± 1.08 | 3.00 ± 0.96 | 0.017 |
Postoperative 1 day | 2.16 ± 0.83 | 2.39 ± 0.90 | 0.171 |