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Table 2 Outcomes of patients who did or did not receive HES before or after cardiopulmonary bypass

From: Large volume infusions of hydroxyethyl starch during cardiothoracic surgery may be associated with postoperative kidney injury: propensity-matched analysis

  HES (n = 536) Control (n = 1440) p value
AKI incidents 151 (28.2%) 374 (26.0%) 0.33
AKI stage
 1 93 (17.4%) 229 (15.9%)  
 2 20 (3.7%) 53 (3.7%)  
 3 38 (7.1%) 92 (6.4%)  
Peak serum creatinine (mg/dL) 0.96 (0.77–1.27) 0.93 (0.71–1.35) 0.28
Need for RRT 30 (5.6%) 74 (5.1%) 0.73
ICU length of stay (days) 3 (3–5) 3 (3–4) 0.0079
28-day hospital free days (days) 11 (4–14) 12 (6–15) 0.060
Hospital mortality 22 (4.1%) 38 (2.6%) 0.10
  1. Data are expressed as medians with 25th to 75th percentiles or percentages
  2. HES hydroxyethyl starch, AKI acute kidney injury, RRT renal replacement therapy, ICU intensive care unit