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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