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Table 2 Univariate analysis for in-hospital mortality

From: Preoperative uric acid predicts in-hospital death in patients with acute type a aortic dissection

Clinical variablesOR (95% CI)p value
Age (year)1.040 (1.010–1.072)0.01
Male0.817 (0.350–1.910)0.641
Hypertension1.375 (0.670–2.820)0.385
Diabetes0.723 (0.082–6.372)0.77
Prior aortic stent implant0.442 (0.054–3.645)0.448
Smoker0.529 (0.245–1.139)0.104
Onset to operation time (h)0.988 (0.974–1.002)0.095
Systolic blood pressure (mmHg)0.998 (0.986–1.010)0.699
Diastolic blood pressure (mmHg)1.001 (0.983–1.019)0.949
Heart rate (beat/min)0.998 (0.980–1.017)0.871
Ascending aorta diameter (mm)1.004 (0.968–1.042)0.815
Entry tears≥20.588 (0.126–2.741)0.499
UA (umol/L)1.005 (1.002–1.009)0.001
Creatinine (umol/L)1.000 (0.997–1.002)0.965
BUN (mmol/L)1.018 (0.939–1.103)0.67
D-dimer (ug/mL FEU)1.031 (1.015–1.048)< 0.001
Fibrinogen (g/L)0.653 (0.469–0.909)0.012
Platelet (109/L)0.988 (0.980–0.996)0.004
WBC (109/L)1.054 (0.978–1.135)0.168
Brain ischemia1.610 (0.397–6.531)0.505
Coronary artery involvement1.469 (0.641–3.365)0.363
Lower limb ischemia1.998 (0.933–4.276)0.075
eGFR< 60 ml/min/1.73 m23.035 (1.450–6.352)0.003
Extent of aortic replacement*0.564 (0.363–0.876)0.011
Bentall0.924 (0.439–1.947)0.836
Operation time (min)1.010 (1.007–1.014)< 0.001
CPB time (min)1.011 (1.006–1.016)< 0.001
ACC time (min)1.007 (1.001–1.013)0.013
HCA time (min)1.034 (1.015–1.053)< 0.001
  1. The bold values indicate statistical significance
  2. eGFR estimated glomerular filtration rate, UA uric acid, BUN blood urea nitrogen, WBC white blood cell count, CPB cardiopulmonary bypass, ACC aortic cross-clamping, HCA hypothermic circulatory arrest
  3. *Categorical variable, total arch replacement was defined as “1”, hemiarch replacement was defined as “2”, ascending aortic replacement was defined as “3”