Summary of coefficients and P values from multiple linear regression analysis including postoperative L5 to S1 SL and preoperative variables with significance during univariate analysis.
| Preoperative Variable | Postoperative L5–S1 SL | |
| P | C | |
| Cage angle | 0.048 | 0.452 |
| Sacral slope | 0.92 | 0.02 |
| Lumbar lordosis | 0.44 | 0.10 |
| L4–L5 SL | 0.67 | −0.15 |
| L5–S1 SL | 0.01 | 0.51 |
Abbreviations: C, coefficient; SL, segmental lordosis.
Note: Boldface type indicates statistical significance (P < 0.05).