Intraoperative Characteristics (n=64)
| Variable | Value |
|---|---|
| Open surgery | 64 (100) |
| General anesthesia | 64 (100) |
| Combined general anesthesia/epidural analgesia | 30 (47) |
| Central venous pressure monitoring | 10 (16) |
| Median duration of surgery, min (range) | 435 (53-800) |
| Median duration of anesthesia, min (range) | 528 (103-937) |
| Renal protection | |
| None | 2 (3) |
| Mannitol 12.5 g | 18 (28) |
| Mannitol 25 g | 27 (42) |
| Mannitol >25 g | 6 (9) |
| Missing | 11 (17) |
| Median estimated blood loss, mL (range) | 1,053 (120-3,000) |
| Blood transfusion | 29 (45) |
| Median crystalloid administration, mL (range) | 7,144 (500-17,200) |
| Median colloid administration, mL (range) | 1,253 (0-3,500) |
| Median urine output, mL (range) | 2,003 (415-4,950) |
Note: Data are presented as n (%) unless otherwise indicated.