Table 8 Univariate analyses of factors associated with superior FJV
Risk factors | FJV group | Non-FJV group | P-value |
|---|---|---|---|
No. of screws | 107 (32.2%) | 225 (67.8%) | |
Age | 58.03 ± 10.37 | 54.73 ± 10.05 | 0.006 |
Sex | 0.051 | ||
Male | 50 (46.7%) | 80 (35.6%) | |
Female | 57 (53.3%) | 145 (64.4%) | |
BMI | 24.60 ± 2.94 | 24.63 ± 3.09 | 0.922 |
Implantation technique | 0.001 | ||
RA + CBT | 53 (25%) | 159 (75%) | |
PS | 54 (45%) | 66 (55.0%) | |
Vertebral slip more than 10% | 0.369 | ||
Yes | 25 (23.4%) | 43 (19.1%) | |
No | 82 (76.6%) | 182 (80.9%) | |
Incision depth | 55.35 ± 7.49 | 55.63 ± 8.31 | 0.769 |
Superior facet angle | 48.64 ± 8.94 | 53.63 ± 9.82 | < 0.001 |
Pedicle cortex | 0.048 | ||
Intact | 74 | 178 | |
Breached | 33 | 47 |