Table 2 Comparison of clinical outcomes between the two groups
Parameters | Leakage group | Non-leakage group | t/χ2 | P |
|---|---|---|---|---|
Follow-up time (months) | 35.5±6.26 | 36.0±6.65 | −0.087 | 0.734 |
Amount of bone cement injected (ml) | 4.5±1.45 | 4.0±1.23 | 3.619 | 0.000 |
Operation time (min) | 38.8±5.61 | 38.6±5.53 | 1.864 | 0.938 |
VAS scores | ||||
Before surgery | 8.0±1.41 | 7.8±1.42 | 2.696 | 0.362 |
On the second day after surgery | 3.1±0.72* | 3.2±0.76* | −1.494 | 0.719 |
At the last follow-up | 3.2±0.78* | 3.1±0.80* | 1.031 | 0.726 |
ODI scores | ||||
Before surgery | 72.2±10.89 | 70.6±10.03 | 7.693 | 0.265 |
On the second day after surgery | 25.4±5.42* | 24.4±5.13* | 3.537 | 0.654 |
At the last follow-up | 26.9±5.41* | 25.0±5.56* | 12.872 | 0.126 |
Adjacent vertebral fractures(%) | 18.75 | 15.63 | 0.110 | 0.740 |
Yes (cases) | 6 | 5 | ||
No (cases) | 26 | 27 | ||
The recovery value of anterior edge height (mm) | ||||
On the second day after operation | 3.4±1.70 | 2.1±1.28 | 2.572 | 0.000 |
At the last follow-up | 3.1±1.56 | 2.0±3.47 | 1.956 | 0.000 |
The improvement value of Cobb angle (°) | ||||
On the second day after operation | 6.8±2.84 | 4.6±2.19 | 5.467 | 0.000 |
At the last follow-up | 6.2±5.17 | 4.3±2.13 | 4.509 | 0.000 |