Table 1.

Preoperative characteristics

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

Data are mean (±SD), number (%) or median (IQR). CABG: coronary artery bypass grafting, CPB: cardio pulmonary bypass, X-Clamp: Aortic clamping.