Demographic stratification
| Criterion | Group 1 | Group 2 |
|---|---|---|
| No. of patients | 24 | 24 |
| Men | 5 | 8 |
| Women | 19 | 16 |
| Patient age (y) | 74 (52–92) | 73 (47–87) |
| Level | 42 | 42 |
| Mid thoracic, T5–T8 | 7 | 10 |
| Lower thoracic, T9–T12 | 8 | 13 |
| Upper lumbar, L1–L3 | 17 | 13 |
| Lower lumbar, L4–L5 | 10 | 6 |
| Compression (%) | 30.4 (10–70) | 33.6 (5–90) |
| Amount of PMMA (mL) | 4.65 | 3.09 |
| Approach | ||
| Unipediculate | 27 | 37 |
| Bipediculate | 15 | 5 |
Note.—Data in parentheses are ranges.