Table 2.
Intraoperative and postoperative data of elderly cystectomy patients.
| Variables | All patients (n = 342) | Non-AKI group (n = 232) | AKI group (n = 110) | P value∗ |
|---|---|---|---|---|
| Operation duration (min) | 413.1 ± 110.1 | 409.0 ± 109.2 | 421.8 ± 111.9 | 0.314 |
| Anesthesia duration (min) | 437.2 ± 101.6 | 434.7 ± 99.8 | 442.3 ± 105.7 | 0.517 |
| Crystalloid amount (mL/kg) | 50.3 ± 22.3 | 50.1 ± 22.2 | 50.7 ± 22.7 | 0.827 |
| Colloid amount | ||||
| 6% hydroxyethyl starch (mL/kg) | 7.4 ± 7.0 | 6.6 ± 6.5 | 9.2 ± 7.8 | 0.001 |
| 5% albumin (mL) | 32.2 ± 88.1 | 34.5 ± 92.4 | 27.3 ± 78.3 | 0.480 |
| Red blood cell transfusion | 196 (57.3) | 120 (51.7) | 76 (69.1) | 0.003 |
| Estimated blood loss (mL) | 899.9 ± 300.4 | 891.9 ± 289.4 | 916.7 ± 323.0 | 0.476 |
| Intraoperative hypotension | 46 (13.5) | 30 (12.9) | 16 (14.5) | 0.735 |
| NMB reversal agent | 0.646 | |||
| Neostigmine-glycopyrrolate | 283 (82.7) | 190 (81.9) | 93 (84.5) | |
| Sugammadex | 59 (17.3) | 42 (18.1) | 17 (15.5) | |
| Urinary diversion type | 0.015 | |||
| Ileal conduit | 181 (52.9) | 112 (48.3) | 69 (62.7) | |
| Ileal neobladder | 161 (47.1) | 120 (51.7) | 41 (37.3) | |
| Postoperative urinary infection | 77 (22.5) | 25 (22.7) | 52 (22.4) | >0.999 |
| Postoperative urinary tract obstruction | 1 (0.3) | 0 (0.0) | 1 (0.4) | >0.999 |
| Postoperative NSAID use | 160 (46.8) | 58 (52.7) | 102 (44.0) | 0.134 |
Continuous variables are presented as the mean ± standard deviation and categorical variables as number (%). ∗For comparisons between the AKI and non-AKI groups. AKI: acute kidney injury; NMB: neuromuscular blockade; NSAID: nonsteroidal anti-inflammatory drug.