Table 1 Patients Characteristics or Patients base line data
Item | Group A (< 180 s) | Group B (180–300 s) | Group C (> 300 s) |
|---|---|---|---|
Case number | 24 | 23 | 23 |
Male/Female | 9/15 | 7/16 | 6/17 |
Age (year) | 76.6 ± 7.9 | 74.7 ± 6.8 | 74.2 ± 8.1 |
Mean time duration between disease onset and surgery (day) | 4 | 4 | 5 |
Diseased vertebral bodies | |||
T7 | 1 | 1 | |
T8 | |||
T9 | 1 | 1 | 1 |
T10 | 2 | 2 | |
T11 | 4 | 7 | 4 |
T12 | 6 | 9 | 3 |
L1 | 7 | 2 | 5 |
L2 | 1 | 2 | 2 |
L3 | 3 | 2 | 4 |
L4 | 1 | 1 | |