Patient demographics and overview of surgical details (N = 49).
| Demographic | Data |
| Age, y, mean (SD) (range) | 68.7 (8.6) (39.9–84.7) |
| Sex, female/male | 63%/37% |
| Fusion construct | |
| Distribution of upper instrumented vertebra | |
| T4 | 2% |
| T10 | 6% |
| T11 | 2% |
| T12 | 2% |
| L1 | 17% |
| L2 | 60% |
| L3 | 10% |
| Distribution of lower instrumented vertebra | |
| L5a | 60% |
| S1 | 35% |
| Pelvis | 15% |
| No. of levels fused, mean (SD) (range) | 4.3 (2.3) (3–15) |
| Operative complications | |
| Seromab | 4% |
| Wound dehiscence | 4% |
| Transient dysesthesia | 18% |
| Transient hip flexor weakness | 6% |