Comparison of Regional (L1-S1) Lordosis Change in Multilevel (≥2 levels) Fusions.
| Pre-op lordosis (mean ± SD) | Post-op lordosis (mean ± SD) | Mean Change | p value | |
|---|---|---|---|---|
| LLIF (n=17) | 48.0 ± 12.7° | 51.2 ± 11.5° | 3.3 ± 4.5° | p=0.01 |
| ALIF (n=13) | 46.0 ± 14.3° | 53.3 ± 12.6° | 7.7 ± 5.9° | p<0.01 |
| TLIF (n=12) | 40.6 ± 15.9° | 44.9 ± 16.7° | 4.3 ± 9.3° | p=0.13 |
| PSF (n=8) | 46.5 ± 12.5° | 44.1 ± 14.7° | -2.4 ± 3.9° | p=0.12 |