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 |