Patient demographic characteristics between minor Clavien complications and severe Clavien complications.
| Demographic | Minor Clavien | Severe Clavien | P Value for Minor vs Severe | Underwent Adult Spinal Deformity Surgery (N = 3936) |
| Age, y, mean (SD) | 60.36 (15.67) | 58.82 (16.28) | 0.43 | 58.7 (16.36) |
| Female sex, % | 60.50 | 65 | <0.001 | 63 |
| Body mass index, mean (SD) | 28.65 (6.67) | 29.06 (6.91) | 0.011 | 28.7 (6.61) |
Note: Boldface indicates statistical significance at P < 0.05.