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Table 3 Risk of acute kidney injury with albumin administration in propensity-matched patients a

From: Albumin administration is associated with acute kidney injury in cardiac surgery: a propensity score analysis

  No albumin ( n = 141) Any albumin ( n = 141) P -value
Age (yr) 70 ± 9 69 ± 9 0.81
GFR (ml/min/1.73 m2) 62 ± 18 62 ± 20 0.78
LVEF ≤35%, 36% to 49%, ≥50% (%) 14, 11, 75 13, 19, 68 0.13
Preoperative hemoglobin (g/L) 127 ± 18 127 ± 19 0.99
Diuretics (%) 50 50 1.00
Heart valve surgery (%) 35 31 0.45
Duration of ECC (hr) 1.5 ± 0.7 1.6 ± 0.8 0.94
Cardiovascular SOFA score (immediately postoperatively) ≤2, >2 (%) 34, 66 38, 62 0.52
Crystalloids perioperatively until 36 hr postoperativelyb (ml/kg) 82 ± 35 78 ± 30 0.28
Any HES 6% perioperatively until 36 hr postoperatively (%) 85 91 0.10
Dose of HES 6% receivedb (ml/kg) 16 (9 to 23) 14 (8 to 20) 0.30
Any pentastarch 10% perioperatively until 36 hr after surgery (%) 38 36 0.71
Dose of pentastarch 10% receivedb (ml/kg) 13 (8 to 18) 8 (5 to 16) 0.03
Red blood cell transfusions, 0, 1, 2, 3+ U (%) 30, 9, 15, 45 19, 16, 20, 45 0.07
Fresh frozen plasma transfusions, 0, ≤5, >5 U (%) 67, 28, 5 67, 23, 10 0.70
Platelet transfusions, 0, ≤10, >10 U (%) 73, 23, 4 71, 22, 7 0.59
AKI    
  AKIN stage 1 (%) 13 28 0.002
  RIFLE risk (%) 5 12 0.03
  RIFLE injury (%) 1 5 0.09
  1. aAKI, Acute kidney injury; AKIN, Acute Kidney Injury Network; ECC, Extracorporeal circulation; GFR, Glomerular filtration rate; HES, Hydroxyethyl starch; LVEF, Left ventricular ejection fraction; RIFLE, Risk, injury, failure, loss and end-stage kidney disease; SOFA, Sequential Organ Failure Assessment. bThe median (interquartile range (IQR)) value given applies to the subgroup that received the colloid.