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Pre-operative characteristics.
| Mean ± SD/median ± IRQ/% | |
|---|---|
| Age (years) | 66.2 ± 7.9 |
| Male | 66.1 ± 7.3 |
| Female | 66.2 ± 8.2 |
| BMI (kg/m2) | |
| <18.5 | 4.4% |
| 18.5–24.9 | 33.9% |
| 25.0–29.9 | 58.0% |
| >30 | 3.7% |
| ASA score | 3 ± 1 |
| ECOG | 0 ± 1 |
| Hydronephrosis | 17.9% |
| Renal impairment | |
| Mild | 3.6% |
| Moderate | 1.8% |
| Severe | 0% |
