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Patient demographics and operative variables
| Variable | Median (range) |
|---|---|
| Age | 63.7 (49–77) |
| BMI (kg/m2) | 28.4 (20.3–38.4) |
| Duration of surgery (min) | 218 (120–357) |
| Duration of 45° Trendelenburg position (min) | 198 (109–331) |
| Intravenous infusion during operation (ml) | 880 (550–2200) |
