Table 1 Comparison of general data before and after operation between group A and B
Parameters | Group A | Group B | P value |
|---|---|---|---|
Age (years) | 66.8 ± 7.5 | 64.3 ± 7.7 | 0.440 |
Male | 2 | 3 | |
Female | 12 | 13 | 0.743 |
T value of BMD | −3.3 ± 1.4 | −3.6 ± 0.4 | 0.628 |
Operation time (minutes) | 336 ± 60 | 270 ± 48 | 0.010 |
Blood loss (ml) | 1125 ± 769.3 | 441.7 ± 159.3 | 0.007 |
Preoperative SVA (mm) | 75.0 ± 39.2 | 62.5 ± 26.6 | 0.386 |
PreopCobb angle(°) | 28.2 ± 6.2 | 26.5 ± 7.3 | 0.560 |
Preop ODI | 59% ± 9 | 44% ± 8 | 0.000 |
Preop NRS | 4.7 ± 0.9 | 4.0 ± 1.1 | 0.225 |
CSF leakage | 2 | 1 | |
Incision infection | 2 | 2 | |
Implant subsidence | 1 | 0 | |
Pseudoarthrosis | 1 | 1 | |
PJK | 1 | 0 | |
DVT | 0 | 1 |