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Operative parameters
| Factors | Mean±SD (median, range) |
|---|---|
| Duration of surgery (h) | 7±2.04 (7, 3-11) |
| Blood loss during surgery (mL) | 863±296 (800, 500-1400) |
| Complications | |
| Major | 2 (infection and L2 fracture) |
| Minor | 2 (transient hip flexion weakness) |
SD=Standard deviation
