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Patient demographics and operative data
| Variables | Data |
|---|---|
| Age (years) | 63.7 |
| Sex | |
| Male | 8 |
| Female | 14 |
| Level | |
| L3/L4 | 3 |
| L4/L5 | 11 |
| L5/S1 | 8 |
| Surgery time (min) | 153.3 ± 26.3 |
| Blood loss (ml) | 175.0 ± 83.4 |
| Time to ambulation (days) | 2.5 ± 0.9 |
| Hospital stay (days) | 5.4 ± 0.9 |
