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Comparison of Superior (sup) and Inferior (inf) Level lordosis within groups.
| Pre-op sup lordosis (mean ± SD) | Post-op sup lordosis (mean ± SD) | p value | Pre-op inf lordosis (mean ± SD) | Post-op inf lordosis (mean ± SD) | p value | |
|---|---|---|---|---|---|---|
| LLIF | 9.1 ± 8.1° | 8.7 ± 7.9° | p=0.27 | 22.2 ± 7.3° | 22.2 ± 7.7° | p=0.99 |
| ALIF | 17.3 ± 10.1° | 14.8 ± 9.5° | p<0.01 | 21.8 ± 8.5° | 18.3 ± 8.2° | p=0.25 |
| TLIF | 12.6 ± 10.2° | 12.1 ± 10.4° | p=0.07 | 15.1 ± 6.3° | 15.1 ± 6.0° | p=0.99 |
| PSF | 11.7 ± 8.8° | 12 ± 9.1° | p=0.54 | 18.7 ± 8.1° | 18.0 ± 8.1° | p=0.20 |
