Table 3.
One-year-postoperative outcomes of patients undergoing XLIF with PPS or open PILF
| Intraoperative Technique | P | ||
|---|---|---|---|
| XLIF/PPS (n = 46) | PLIF (n = 56) | ||
| Length of follow-up (years) | 2.2 ± 1.2 | 4.3 ± 2.2 | |
| VAS score (lumbar) | 1.5 ± 2.6 | 3.7 ± 3.1 | <0.005 |
| RDQ score | 8.2 ± 5.4 | 8.6 ± 5.9 | 0.95 |
| ODI score | 9.2 ± 7.4 | 13.5 ± 6.4 | <0.05 |
| L-JOA score | 25.3 ± 3.9 | 24.1 ± 2.4 | 0.29 |
| Fusion grade | 1.5±0.51 | 1.5±0.5 | 0.84 |
XLIF = extreme lateral interbody fusion, PPS = percutaneous pedicle screws, PLIF = posterior lumbar interbody fusion, n = number in group, VSA = visual analog scale, RDQ = Roland–Morris Disability Questionnaire, ODI = Oswestry Disability Index, L-JOA = Lumbar--Japanese Orthopaedic Association, *Mean ± standard deviation (SD)