Characteristics of patients, fractured vertebrae and surgeries.
| With Intradiscal Leakage (n=20) | Without Intradiscal Leakage (n=104) | P value | |
|---|---|---|---|
| Patient characteristics | |||
| Age, year | 64.20±8.024 | 65.78±8.13 | .427 |
| Sex, female | 17/20 | 86/104 | 1.000 |
| BMD (T-score) | -2.88±0.44 | -2.72±0.39 | .105 |
| History of smoking | 3/20 | 15/104 | 1.000 |
| History of drinking alcohol | 1/20 | 11/104 | .719 |
| Follow-up time, months | 19.80±2.95 | 20.71±3.61 | .290 |
| Fracture characteristics | |||
| Intravertebral cleft | 4/20 | 8/104 | .196 |
| Fracture age, wk | .365 | ||
| ≤6 | 14 | 83 | |
| 6-12 | 4 | 12 | |
| ≥12 | 2 | 9 | |
| Fracture location | 1.000 | ||
| Thoracolumbar region (T11-L2) | 18 | 92 | |
| Lower lumbar region (L3-L5) | 2 | 12 | |
| Fracture type | .480 | ||
| Wedge | 14 | 85 | |
| Biconcave | 4 | 12 | |
| Crush | 2 | 7 | |
| Fracture severity grade (%) | .428 | ||
| ≤25 | 7 | 43 | |
| 25-40 | 8 | 44 | |
| ≥40 | 5 | 17 | |
| Endplate fracture | .078 | ||
| absence | 2 | 30 | |
| presence | 18 | 74 | |
| Surgical characteristics | |||
| Total PMMA volume, ml | 5.78±0.80 | 5.08±0.97 | .003* |
Abbreviations: BMD, bone mineral density; PMMA, polymethylmethacrylate.
↵* P<0.05.