Table 3 Multivariate analysis of risk factors for CSFL
Risk factors | β | SE | Wald | OR | 95% CI for Exp (B) | P | |
|---|---|---|---|---|---|---|---|
Lower part | Upper part | ||||||
Age | − 0.345 | 0.176 | 3.830 | 0.708 | 0.05 | 0.501 | 1.001 |
Type of disease | 1.370 | 0.138 | 98.752 | 3.936 | 3.004 | 5.158 | 0 |
Duration of disease | 0.004 | 0.156 | 0.001 | 1.004 | 0.739 | 1.363 | 0.981 |
Preoperative epidural hormone injection | 0.698 | 0.246 | 8.061 | 2.009 | 1.241 | 3.252 | 0.005 |
Number of surgical levels | 0.342 | 0.174 | 3.878 | 1.408 | 1.002 | 1.979 | 0.049 |
Revision surgery | 1.048 | 0.198 | 28.146 | 2.853 | 1.937 | 4.203 | 0 |