Table 1 General information of patients.
Variable | Value |
|---|---|
Average age | 63.3 ± 7.8(56–79) |
Gender (male: female) | 9:14 |
Weight (kg) | 48.5 ± 10.8 |
BMI (kg/m2) | 19.0 ± 1.5 |
Jikei BMD classification | |
Level II | 13/23 (56.5%) |
Level III | 10/23 (43.5%) |
Meyerding classification of spondylolysis | |
Degree I | 10/23 (43.5%) |
Degree II | 9/23 (39.1%) |
Degree III | 4/23 (17.4%) |
Operation time (min) | 145 ± 35 (85–220) |
Blood loss (ml) | 225 ± 87 (150–400) |
Hospital stay (d) | 7.9 ± 1.5(6–11) |
Complication | |
Superficial infection of the wound | 1/6 (16.7%) |
Bone cement leakage | 4/6 (66.7%) |
Cerebrospinal fluid leakage | 1/6 (16.7%) |
Fusion rate | 100% |
The number of conventional screws /total number of conventional screws | 0/7 |
The number of loose CICPSs/total number of CICPSs | 0/85 |