Table 1.
Patients’ baseline characteristics
| Adjacent vertebral fracture | p | ||
|---|---|---|---|
| Yes | No | ||
| N | 23 | 168 | |
| Age [y (SD)] | 77 (7) | 77 (8) | 0.821† |
| Gender [f: m] | 11: 15 | 86: 132 | 0.778* |
| ASA | 2.8 (0.5) | 2.6 (0.6) | 0.224† |
| OF | 2.7 (0.8) | 2.9 (0.7) | 0.211* |
| Medication | |||
| Bisphosphonates—preop | 1 (4.3%) | 5 (3.0%) | 0.542* |
| Bisphosphonates—postop | 3 (13.0%) | 11 (6.5%) | 0.228* |
| Vitamin D—preop | 6 (26.1%) | 26 (15.5%) | 0.162* |
| Vitamin D—postop | 12 (52.2%) | 68 (40.5%) | 0.200* |
| Corticosteroids | 6 (26.1%) | 10 (6.0%) | 0.006* |
| Bone quality (HU) | 85 (45) | 81 (35) | 0.702† |
y years, SD standard deviation, f female, m male, ASA American Society of Anesthesiologists Scale, OF osteoporotic fracture classification, HU Hounsfield units
*Pearson chi-square/Fisher’s exact test
†Student’s t-test