Skip to main content

Table 2 Patient characteristics of patients with AKI KDIGO ≥2 compared to patients with no or mild AKI (KDIGO 0–1)

From: Urinary [TIMP-2]*[IGFBP7] for early prediction of acute kidney injury after coronary artery bypass surgery

  AKI 2/3
(n = 6)
AKI 0/1
(n = 54)
p value
Age (years) 76.2 ± 3.9 68.8 ± 9.1 0.003
Male gender (n, %) 5 (83.3) 43 (79.6) n.s.
Weight (kg) 77.8 ± 11.1 83.7 ± 17.7 n.s.
Height (cm) 174.3 ± 9.2 171.8 ± 8.3 n.s.
CPB time (min) 113.3 ± 41.8 102.1 ± 47.3 n.s.
Preoperative Creatinine (mg/dl) 1.01 ± 0.17 1.14 ± 0.23 n.s.
Preoperative eGFR (ml/min/1.73 m2) 73.5 ± 13.9 65.0 ± 17.5 n.s.
SAPS 30.8 ± 11.6 24.9 ± 13.8 n.s.
Diuresis on the day of CABG (ml/kgBW/h) 1.30 ± 0.33 0.92 ± 0.69 n.s.
Diuresis on POD 1 (ml/kgBW/h) 1.69 ± 0.66 1.27 ± 0.49 n.s.
Fluid balance on the day of surgery (ml) 2843.0 ± 973.8 2354.2 ± 867.5 n.s.
TISS-28 26.0 ± 6.2 19.7 ± 10.4 n.s.
Comorbidities (n, %)
 MI within 6 months 3 (50.0) 13 (24.1) n.s.
 Heart failure NYHA ≥3 1 (16.7) 3 (5.6) n.s.
 Hypertension 4 (66.7) 49 (90.7) n.s.
 Smoking 3 (50.0) 21 (38.9) n.s.
 Diabetes 2 (33.3) 19 (35.2) n.s.
 COPD 1 (16.7) 7 (12.9) n.s.
 Atrial fibrillation 4 (66.7) 21 (38.9) n.s.
 Peripheral artery disease 1 (16.7) 17 (31.5) n.s.
 Shock (n, %) 5 (83.3) 6 (11.1) <0.001
 Sepsis (n, %) 5 (83.3) 3 (5.6) <0.001
 ICU stay (days) 9.7 ± 6.4 5.5 ± 7.6 n.s.
 Hospital mortality (n, %) 3 (50.0) 0 (0) <0.001
  1. COPD chronic obstructive pulmonary disease, SAPS Simplified Acute Physiology Score, TISS-28 Therapeutic Intervention Scoring System 28, POD postoperative day
\