Table 1.
Summary of clinical characteristics and operative information in all patients
| All cases (n = 20) | |
|---|---|
| Age (year) | 67.1 ± 10.5 |
| Sex | M 7, F 13 |
| Duration of illness (month) | 7.8 ± 7.3 |
| Level of fracture | |
| T12 | 8 |
| L1 | 9 |
| L2 | 3 |
| JOA score | preop. 6.9, postop. 16.6 |
| Recovery rate of JOA score | 43.9% |
| VAS in lumbar area | preop. 8.9, postop. 3.7 |
| Recovery rate of VAS in lumbar area | 58.4% |
| VAS in leg area | preop. 7.4, postop. 3.7 |
| Recovery rate of VAS in lumbar area | 50.0% |
| Operation time (minute) | 401.7 ± 65 |
| Blood loss (ml) | 245 ± 127 |
| Length of hospital stay (day) | 47.6 ± 19.6 |
Data are presented as mean ± standard deviation or mean, unless otherwise indicated. F: female, JOA: Japanese Orthopedic Association, M: male, VAS: visual analog scale.