Table 1 Patient demographic and treatment information
Characteristic | Statistic (n = 15) |
|---|---|
Mean age (range) | 63.8 ± 8.9 |
Female (%) | 7 (46.7%) |
BMI | 23.5 ± 2.8 |
Levels per operation | |
 One level (% of cases) | 12 (69.8) |
 Two levels (% of cases) | 3 (30.2) |
Operation levels | |
 L3/4 (% of levels) | 3 |
 L4/5 (% of levels) | 15 |
Cage size | |
 8*45 mm | 1 |
 10*50 mm | 1 |
 12*50 mm | 6 |
 12*55 mm | 2 |
 14*50 mm | 3 |
 14*55 mm | 5 |
Schizas classification | |
 C | 7 |
 D | 8 |
 Blood loss (range) | 76.7 ± 25.8 (50–100) (mL) |
 Hospitalization after operation | 4.7 ± 1.2 (days) |
 Follow-up | 23.1 ± 4.6 ( months) |