Comparison of Regional (L1-S1) Lordosis Change in Single Level Fusions
| Pre-op lordosis (mean ± SD) | Post-op lordosis (mean ± SD) | Mean Change | p value | |
|---|---|---|---|---|
| LLIF (n=18) | 54.6 ± 9.2° | 56.4 ± 8.0° | 1.8 ± 3.7° | p=0.05 |
| ALIF (n=23) | 54.8 ± 11.3° | 57.2 ± 12.7° | 2.4 ± 5.1° | p=0.03 |
| TLIF (n=38) | 49.3 ± 13.2° | 50.1 ± 13.6° | 1.4 ± 4.5° | p=0.06 |
| PSF (n=18) | 50.8 ± 16.1° | 51.1 ± 17.6° | 0.3 ± 6.9° | p=0.86 |