Table 1 Characteristic of patients
Parameters | Value |
|---|---|
Age (year) | 63.5 ± 5.8 |
Gender | |
Male | 21 |
Female | 72 |
BMI (kg/m2) | 25.8 ± 4.2 |
Lumbar T value | − 0.9 ± 1.5 |
Follow-up time (months) | 38.4 ± 16.0 |
Blood loss (ml) | 1156.6 ± 659.4 |
Operation time (min) | 270.4 ± 61.9 |
Hospital stay (days) | 12.6 ± 6.9 |
Number of fused segments | 5.5 ± 1.3 |
Proximal fixation segment (%) | |
T8-10 | 14 (15.1) |
T11-L1 | 65 (69.9) |
L2 | 14 (15.1) |
Distal fixation segment (%) | |
Sacrum fixation | 56 (60.2) |
Non-sacrum fixation | 37 (39.8) |
Screw loosening (%) | |
Loosening | 59 (63.4) |
Non-loosening | 34 (36.6) |
Cobb angle (°) | 25.9 ± 9.6 |
Sagittal parameters | |
SVA (mm) | 55.7 ± 38.7 |
PI (°) | 48.1 ± 10.5 |
PT (°) | 23.6 ± 10.3 |
SS (°) | 24.5 ± 9.6 |
LL (°) | 25.5 ± 15.8 |
TK (°) | 21.0 ± 12.3 |
PI-LL (°) | 22.6 ± 16.0 |