Surgical characteristics (N = 185).
| Variable | <62 ft Walked (n = 93; 50.3%) | ≥62 ft Walked (n = 92; 49.7%) | P Value |
| Osteotomy | 55 (59.1%) | 59 (64.1%) | 0.49 |
| Interbody device placed | 62 (66.7%) | 53 (57.6%) | 0.2 |
| Estimated blood loss, mL | 2210 ± 1578 | 1832 ± 1248 | 0.08 |
| Operative time, min | 513 ± 173 | 424 ± 144 | 0.001 |
| Intraoperative complications | 15 (16.1%) | 9 (9.8%) | 0.2 |
| Neuromonitoring changes | 5 (5.4%) | 3 (3.3%) | 0.48 |
| Anesthesia stopped the case | 1 (1.1%) | 3 (3.3%) | 0.31 |
| Delayed extubation | 9 (9.7%) | 8 (8.7%) | 0.82 |
Note: Data presented as mean ± SD or n (%).