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| Dependent variable | ALIF | XLIF | P value |
|---|---|---|---|
| Pedicle screws | 55 (100.0) | 20 (95.2) | 0.284 |
| Standalone | 0 (0) | 0 (0) | >0.999 |
| Posterior decompression | 43 (78.2) | 11 (52.4) | 0.034* |
| BMP use | 40 (72.7) | 16 (76.2) | >0.999 |
| Structural allograft | 42 (77.8) | 0 (0) | <0.001* |
| PEEK | 12 (21.8) | 22 (100.0) | <0.001* |
Descriptive statistics are presented as frequencies and percentages. *, P<0.05. ALIF, anterior lumbar interbody fusion; XLIF, eXtreme lateral trans-psoas approach; BMP, bone morphogenetic protein.
