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Table 1 Patients characteristics

From: Chronic hyperglycemia is associated with acute kidney injury in patients undergoing CABG surgery – a cohort study

Variable All patients (n = 307) HbA1c < 6.0 % (n = 142) HbA1c ≥ 6.0 % (n = 165) P-value
Age, years 69(60-75) 67(57-74) 70(63-75) 0.008
Male, n (%) 227(73.9) 116 (81.7) 111 (67.3) 0.004
Smoking, n (%) 121(39.4) 47(33.1) 74(44.8) 0.046
LV-EF, % 55(45-63) 55(49-65) 55(45-61) 0.048
Waist circumference, cm 103(±11) 102(±10) 105(±12) 0.047
BMI, kg/m2 28(25-30) 27(25-29) 28(96-113) 0.087
Urgent surgery, n (%) 134(42.6) 70(49.3) 64(38.8) 0.066
MI within the last 48 h, n (%) 25(8.1) 15(10.6) 10(6.1) 0.19
Previous cardiac surgery, n (%) 13(4.2) 6(4.2) 7(4.2) 1.00
Metabolic syndrome, n (%) 254(82.7) 107(75.4) 147(89.1) 0.002
COPD, n (%) 57(18.6) 19(13.4) 38(23) 0.039
History of DM, n (%) 106(34.5) 15(10.6) 91(55.2) <0.001
HbA1c, % 6.0(5.7-6.5) 5.7(5.5-5.8) 6.5(6.2-7.0) <0.001
FSG, mg/dl 105(97-123) 101(95-106) 116(102-138) <0.001
Postoperative SG, mg/dl 143(120-179) 136(117-165) 154(125-188) <0.001
Postop. hyperglycemia, n (%) 209(68.1) 88(42.1) 121(57.9) 0.037
Hypercholesterolemia, n (%) 181(59.0) 80(56.3) 101(61.2) 0.42
Hypertension, n (%) 267(87.0) 122(85.9) 145(87.9) 0.62
Pulmonary Hypertension, n (%) 54(11.3) 16(11.3) 38(23.0) 0.007
AF, n (%) 28(9.1) 8(5.6) 29(12.1) 0.072
TG, mg/dl 128(95-184) 122(89-163) 137(101-205) 0.016
HDL, mg/dl 43(37-53) 44(38-53) 42(35-54) 0.47
LDL, mg/dl 104(82-128) 109(90-135) 98(73-119) <0.001
Preoperative creatinine, mg/dl 1.0(0.8-1.2) 1.0(0.8-1.2) 1.0(0.8-1.2) 0.55
Preoperative eGFRCKD-EPI, ml/min/1.73 m2 74(59-89) 78(62-100) 72(56-86) 0.010
CKD, n (%) 82(26.7) 29(20.4) 53(32.1) 0.028
OP Duration, min 245(219-295) 240(218-291) 250(219-299) 0.91
CPB Time, min 107(88-143) 105(86-137) 115(88-151) 0.07
X-Clamp Time, min 81(61-104) 78(57-95) 83(63-110) 0.05
  1. Data are mean (±SD), number (%) or median (IQR); LV-EF: left ventricular ejection fraction; BMI: body mass index; MI: myocardial infarction; COPD: chronic obstructive pulmonary disease; DM: diabetes mellitus; FSG: fastening serum glucose; AF: atrial fibrillation; HDL: high density lipoprotein, LDL: low density lipoprotein, eGFR: estimated glomerular filtration rate; CKD: chronic kidney disease; X-clamp: aortic cross-clamp; AKI: acute kidney injury