Table 3 Surgical characteristics of the patients who underwent open surgery
Blood loss (ml) | Duration of operation (min) | Instrumented segments | Fusion method | |
|---|---|---|---|---|
NO. 7 | 250 | 70 | 3 | Intra-vertebral body allograft |
NO. 11 | 330 | 90 | 3 | Posterolateral autograft |
NO. 16 | 300 | 90 | 3 | Posterolateral autograft |