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Table 4 Univariable and multivariable logistic analysis for risk factors associated with composite adverse events

From: Impact of body mass index on early and mid-term outcomes after surgery for acute Stanford type A aortic dissection

Risk factor

Univariable analysis

Multivariable analysis

OR (95% CI)

P value

OR (95% CI)

P value

Age (years)

1.009 (0.977–1.042)

0.578

  

Male

1.104 (0.536–2.273)

0.788

  

BMI (kg/m2)

 BMI < 25

1.000

   

 BMI ≥ 25

1.063 (0.561–2.013)

0.852

  

 BMI ≥ 30

0.841 (0.344–2.054)

0.703

  

Hypertension

0.700 (0.335–1.462)

0.343

  

CAD

3.115 (1.587–6.116)

0.001

1.440 (0.301–6.895)

0.648

Diabetes

1.272 (0.250–6.478)

0.772

  

Cerebrovascular events

1.034 (0.279–3.841)

0.960

  

CKD

NS

NS

  

NYHA≥3

1.658 (0.415–6.628)

0.475

  

Organ malperfusion

 Cardiac

4.881 (1.688–14.116)

0.003

4.019 (1.128–14.322)

0.032

 Cerebral

4.120 (1.275–13.315)

0.018

5.060 (1.402–18.268)

0.013

 Visceral

1.267 (0.129–12.416)

0.839

  

 Limb

8.360 (2.021–34.581)

0.003

10.223 (2.266–46.124)

0.002

LVEF

0.970 (0.903–1.042)

0.411

  

Median or massive AR

0.551 (0.261–1.162)

0.117

  

Bentall

1.142 (0.592–2.201)

0.692

  

CABG

3.640 (1.873–7.076)

< 0.001

1.675 (0.331–8.460)

0.533

CPB time

1.010 (1.005–1.014)

< 0.001

1.004 (0.999–1.010)

0.116

Cross-clamp time

1.006 (0.999–1.013)

0.121

  

Circulatory arrest time

1.045 (0.963–1.134)

0.294

  

Transfusion

 Red blood cells

1.274 (1.122–1.447)

< 0.001

1.144 (0.970–1.348)

0.109

 Fresh frozen plasma

1.001 (1.000–1.002)

0.002

1.000 (1.000–1.001)

0.308

 Platelets

1.196 (0.947–1.511)

0.134

  
  1. OR odds ratio, CI confidence interval, NS no significance