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Retrospective Cohort Study
©The Author(s) 2025.
World J Gastrointest Surg. Oct 27, 2025; 17(10): 111885
Published online Oct 27, 2025. doi: 10.4240/wjgs.v17.i10.111885
Table 2 Perioperative findings and association with acute kidney injury, n (%)
Variable
Total (N = 445)
AKI (n = 61)
No AKI (n = 384)
P value
Operation time (minutes, mean ± SD)360 ± 75376 ± 78357 ± 740.114
Blood loss (mL, mean ± SD)550 ± 180590 ± 205543 ± 1760.198
Intraoperative fluid replacement < 6000 mL173 (38.8)36 (59.0)137 (35.6)0.001
Vasopressor use128 (28.7)29 (47.5)99 (25.7)0.002
Urine output < 0.5 mL/kg/hour84 (18.8)19 (31.1)65 (16.9)0.009


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