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Patient demographics and operative variables.
| Age (years) | 65.5 ± 6.7 |
| Height (cm) | 168.5 ± 5.14 |
| Weight (kg) | 68.9 ± 7.6 |
| BMI (kg.m-2) | 24.3 ± 2.6 |
| Intravenous fluid (mL) | 2230 ± 460 |
| Duration of operation (min) | 263 ± 61 |
| Duration of pneumoperitoneum (min) | 225 ± 62 |
BMI, body mass index.
All variables are presented as mean ± standard deviation.
