Multivariate analysis of morbidity using the anterior cohort as the referent value adjusted for age, race, gender, Deyo score, and obesity.
| Morbidity | Odds Ratio | Lower CI | Upper CI | p-value |
|---|---|---|---|---|
| Anterior | - | - | - | - |
| Posterior Decompression Only | 1.30 | 1.24 | 1.36 | <0.0001 |
| Decompression with Posterior Fusion | 2.19 | 2.11 | 2.28 | <0.0001 |
| Combined AP | 5.44 | 5.16 | 5.74 | <0.0001 |