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Table 2 Postoperative urinary interleukin-18 (IL-18) concentration

From: Urinary interleukin-18 does not predict acute kidney injury after adult cardiac surgery: a prospective observational cohort study

Urinary IL-18 AKI (n = 20) No AKI (n = 80) P value
Unadjusted values    
   Preoperative, pg/mL 0 (0–25) 0 (0–44) 0.28
   On arrival in the intensive care unit, pg/mL 168 (19–736) 104 (36–292) 0.70
   At 24 hours postoperatively, pg/mL 195 (54–537) 165 (42–288) 0.47
Values adjusted for urinary creatinine    
   Preoperative, pg/mg 0 (0–12) 0 (0–32) 0.32
   On arrival in the intensive care unit, pg/mg 332 (44–1,789) 233 (86–531) 0.57
   At 24 hours postoperatively, pg/mg 190 (75–478) 124 (41–245) 0.25
  1. Values denoting median and 25th to 75th percentiles. P values indicate Mann-Whitney U test. AKI, acute kidney injury.