Baseline demographics and hospital presentation amongst the four surgical approaches. All cohorts were statistically different from one another in every possible combination (p<0.0001), except the difference between the laminoplasty and combined cohorts for Deyo score was not statistically significant (p>0.05).
| Anterior | Posterior Decompression Only | Decompression with Posterior Fusion | Combined AP | P-value | |
|---|---|---|---|---|---|
| Age | 57.5 | 63.4 | 63.0 | 59.6 | <0.0001 |
| LOS | 2.8 | 4.7 | 5.8 | 7.5 | <0.0001 |
| Deyo Score | 0.50 | 0.65 | 0.71 | 0.66 | <0.0001 |