Table 2 Operative characteristics of patients
Surgical approach | Classification | Number of patients | Operation time (min) | Blood loss (mL) |
|---|---|---|---|---|
Posterior fixation and fusion | Type I, Type II | 40 | 130.5 ± 37.12 | 162.63 ± 58.27 |
Translateral mass release + posterior fixation and fusion | Type III | 9 | 151.1 ± 16.91 | 235.56 ± 59.94 |
Transoral release + posterior fixation and fusion | Type III, Type IV | 7 | 188.5 ± 44.13 | 414.29 ± 33.91 |