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Table 2 Baseline characteristics

From: Risk factors for acute kidney injury after initial acute aortic dissection and their effect on long-term mortality

 

No AKI group (N = 31)

AKI group (N = 65)

p value

Age (years old)

68.0 ± 13.0

70.0 ± 14.0

0.466

Gender (male)

15 (50 %)

34 (52 %)

0.999

Body mass index (kg/m2)

23.4 ± 3.7

22.3 ± 4.3

0.107

Comorbidity

 Diabetes

3 (10 %)

5 (8 %)

0.704

 Hypertension

16 (53 %)

42 (71 %)

0.106

 Hyperlipidemia

15 (50 %)

15 (24 %)

0.018

 eGFR < 60 (ml/min/1.73 m2)

13 (43 %)

39 (60 %)

0.183

 Coronary artery disease

3 (10 %)

6 (10 %)

0.999

 Stroke

6 (20 %)

6 (10 %)

0.200

Medication

 Anticoagulant

1 (3 %)

1 (2 %)

0.999

 Antiplatelet

3 (10 %)

6 (9 %)

0.999

 Ca blocker

5 (17 %)

15 (27 %)

0.423

 RAS inhibitor

4 (13 %)

16 (29 %)

0.179

 Statin

6 (20 %)

8 (14 %)

0.542

Clinical presentation

 Systolic BP (mmHg)

149 ± 37

133 ± 45

0.053

 Diastolic BP (mmHg)

82 ± 19

72 ± 26

0.026

 Stanford A

8 (26 %)

50 (77 %)

<0.001

 CTR (%)

57.8 ± 4.9

59.7 ± 5.7

0.105

 Mediastinal extension

9 (29 %)

42 (65 %)

0.002

 Dissection of renal artery branch

13 (42 %)

41 (63 %)

0.080

 Operation

3 (9.3 %)

43 (66.2 %)

<0.001

 Operation time (min)

310.0 ± 66.5

423.0 ± 141.7

0.106

 Cardiopulmonary bypass time (min)

177.5 ± 56.2

209.4 ± 77.9

0.533

 Intraoperative blood loss (ml)

1073.8 ± 432.2

2950.2 ± 2522.3

0.059

 Perioperative blood transfusion unit

3.3 ± 7.7

23.0 ± 27.0

<0.001

 Hospital stay (day)

21.8 ± 8.5

33.7 ± 23.2

0.002

Admission laboratory date

 WBC (×103/mm3)

10.7 ± 3.2

11.8 ± 5.3

0.586

 Hemoglobin (g/dl)

13.8 ± 1.6

13.2 ± 1.9

0.173

 Platelet (×104/mm3)

20.0 ± 8.0

16.0 ± 5.0

0.013

 D dimer (μg/ml)

9.8 ± 15.0

47.3 ± 63

<0.001

 Fibrinogen (mg/dl)

397 ± 188

260 ± 127

<0.001

 FDP (μg/ml)

36.6 ± 48.9

167 ± 203

0.016

 Albumin (g/dl)

4.01 ± 0.47

3.64 ± 0.51

0.070

 LDH (IU/L)

223 ± 59

320 ± 253

<0.001

 CK (IU/L)

97 ± 59

115 ± 89

0.552

 BUN (mg/dl)

17.4 ± 8.6

20.3 ± 8.1

0.022

 Creatinine (mg/dl)

0.91 ± 0.47

1.01 ± 0.42

0.100

 eGFR (ml/min/1.73 m2)

62.5 ± 16.1

56.2 ± 18.1

0.044

 UA (mg/dl)

5.73 ± 2.06

5.87 ± 1.38

0.740

 CRP (mg/dl)

2.3 ± 3.7

1.3 ± 2.8

0.257

 TG (mg/dl)

119 ± 65.0

87.5 ± 51.1

0.013

 T-CHO (mg/dl)

203 ± 42.2

172 ± 38.5

0.101

 LDL-C (mg/dl)

121 ± 41.2

98.5 ± 28.0

0.016

 HDL-C (mg/dl)

44.5 ± 8.19

50.8 ± 14.8

0.091

 HbA1c (NGSP %)

5.94 ± 0.61

5.76 ± 0.61

0.172

  1. Date presented as n (%) or median ± SD
  2. RAS renin angiotensin system, BP blood pressure, CTR cardio thoracic ratio