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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