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Table 1 Clinical and demographic data of AKI cases and non-AKI controls of post-cardiac surgery patients

From: Acute kidney injury prediction in cardiac surgery patients by a urinary peptide pattern: a case-control validation study

Parameter AKI Non-AKI p
Patients/samples (n/n) 59/59 51/51  
Age (years) 65 (45–77) 60 (24–77) 0.03
Gender (female/male) 13/46 16/35 0.29
EuroSCORE II** (points) 6.82 (0.86–28.34) 5.99 (0.67–21.93) 0.89
Body mass index 30.7 (19.9–47.3) 30.8 (17.3–41.4) 0.86
S-creatinine at baseline (mg/dL) 1.1 (0.6–1.9) 0.9 (0.6–1.3) <0.001
Estimated glomerular filtration rate at baseline (mL/h/1.73 m2)‡,† 73 (37–110) 92 (56–132) <0.001
Diabetes (%) 29 18 0.19
OP time (min) 214 (105–390) 211 (109–651) 0.6
Time of cardiopulmonary bypass (min) 109 (48–243) 103 (34–177) 0.81
Clamping time (min) 66 (17–184) 67 (26–125) 0.77
Endpoints:    
 NOMI (%)ǁ 29 2 <0.001
 Death (%)ǁ 17 0 0.002
AKI staging (n):    
 0 0 51  
 1 25 0  
 2 14 0  
 3 20 (15 w/ hemodialysis) 0  
  1. AKI acute kidney injury, NOMI nonocclusive mesenteric ischemia,
  2. **Thoracic Surgeons Risk Score to predict mortality after thoracic surgery, for calculation see: http://www.euroscore.org/
  3. According to the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI)
  4. Given as mean (range)
  5. ǁ7 % of AKI patients with composite endpoint