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Table 1 Preoperative characteristics

From: Preoperative serum h-FABP concentration is associated with postoperative incidence of acute kidney injury in patients undergoing cardiac surgery

Variable All patients (n = 70) AKI (n = 45) No AKI (n = 25) P-value
h-FABP [ng/dl] 2.9 (1.4–3.9) 2.9 (1.7–4.1) 1.7 (1.1–3.3) 0.039
Age (yr) 67 (±10) 69 (±9) 64 (±11) 0.016
Male 56 (80%) 37 (82%) 19 (76%) 0.76
CABG 48 (69%) 33 (73%) 15 (60%) 0.29
Preoperative creatinine [mg/dl] 1.0 (±0.3) 1.0 (±0.2) 0.9 (±0.1) 0.50
eGFR–CKDEPI preoperative [ml/min/1,73 m2] 88 (±11) 87 (±10) 91 (±12) 0.17
Troponin T (mg/dl) 0.01 (0.01–0.01) 0.01 (0.01–0.01) 0.01 (0.01–0.01) 0.28
Waist Circumferrence [cm] 104 (±13) 102 (±13) 104 (±13) 0.86
Operation duration [min] 240 (±60) 244 (±60) 239 (±59) 0.91
CPB duration [min] 113 (±36) 113 (±38) 114 (±34) 0.41
X-Clamp duration [min] 82 (±30) 81 (±29) 85 (±30) 0.90
HbA1c [%] 6.0 (5.6–6.6) 5.9 (5.6–6.4) 6.0 (5.7–7.2) 1.0
CK [mg/dl] 80 (55–116) 80 (60–118) 100 (57–122) 0.97
Myoglobin [mg/dl] 44 (31–54) 46 (32–59) 37 (29–52) 0.15
C-reactive protein [mg/dl] 0.3 (0.1–0.6) 0.3 (0.1–0.6) 0.2 (0.1–0.3) 0.33
  1. Data are mean (±SD), number (%) or median (IQR). CABG: coronary artery bypass grafting, CPB: cardio pulmonary bypass, X-Clamp: Aortic clamping.