Table 2. Summary of patients’ operative data (n=51).
M: Mean, SD: Standard deviation
| Operative data | M±SD |
| Operative time, hours | 5.2 ± 0.73 |
| Fused levels | 11.3 ± 2.4 |
| Postoperation hospital stay, days | 6.1 ± 2.1 |
| Postoperation blood loss, mL | 480 ± 280.3 |
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