Comparison of preoperative and postoperative lordosis within groups.
| Operative Level | Regional (L1-S1) | |||||
|---|---|---|---|---|---|---|
| Pre-oplordosis (mean ± SD) | Post-oplordosis (mean ± SD) | p value | Pre-oplordosis (mean ± SD) | Post-oplordosis (mean ± SD) | p value | |
| LLIF | 12.1 ± 7.9° | 15.3 ± 8.5° | p<0.01 | 51.5 ± 11.3° | 54.0 ± 10.0° | p<0.01 |
| ALIF | 15.8 ± 11.9° | 19.6 ± 11.7° | p<0.01 | 51.6 ± 13.0° | 55.8 ± 12.6° | p<0.01 |
| TLIF | 13.0 ± 10.3° | 14.9 ± 9.7° | p<0.01 | 47.2 ± 14.2° | 49.3 ± 14.4° | p=0.02 |
| PSF | 14.8 ± 9.6° | 15.5 ± 9.7° | p=0.13 | 49.5 ± 15.0° | 48.9 ± 16.8° | p=0.66 |