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Table 3 Univariable logistic regression analysis of general characteristics for ICU and hospital mortality

From: Association between cardiopulmonary bypass time and mortality among patients with acute respiratory distress syndrome after cardiac surgery

 

ICU mortality

 

Hospital mortality

Odds ratio (95% CI)

P value

 

Odds ratio (95% CI)

P value

CPB time (ref, non CPB (CPB = 0))

     

 Short CPB time

4.19 (1.15–15.28)

0.030

 

1.64 (0.79–3.44)

0.188

 Long CPB time

8.67 (2.47–30.41)

0.001

 

2.70 (1.30–5.62)

0.008

Male (ref, female)

0.53 (0.25–1.16)

0.111

 

0.70 (0.39–1.27)

0.245

Age category (ref, ≤ 45 years)

     

 45 to 70 years

0.64 (0.28–1.44)

0.280

 

0.71 (0.34–1.47)

0.356

 ≥ 70 years

0.33 (0.10–1.06)

0.062

 

0.75 (0.31–1.83)

0.524

BMI category (ref, Normal (18.4 to 23.9))

     

 Underweight (≤ 18.4)

2.00 (0.53–7.54)

0.306

 

2.05 (0.57–7.41)

0.271

 Overweight (23.9–27.9)

1.10 (0.51–2.35)

0.825

 

0.60 (0.32–1.13)

0.115

 Obesity (≥ 27.9)

0.32 (0.32–2.37)

0.792

 

0.46 (0.20–1.03)

0.060

Comorbidity

     

 Smoking

0.91 (0.46–1.81)

0.790

 

1.13 (0.64–1.99)

0.671

 Hypertension

1.44 (0.73–2.44)

0.291

 

1.02 (0.59–1.77)

0.949

 Diabetes

0.96 (0.42–2.19)

0.927

 

0.84 (0.43–1.66)

0.621

 Cerebrovascular disease

0.62 (0.20–1.90)

0.405

 

0.95 (0.42–2.15)

0.896

 Chronic lung disease

2.24 (0.71–7.05)

0.169

 

1.04 (0.35–3.12)

0.940

 Coronary heart disease

1.10 (0.56–2.15)

0.791

 

1.05 (0.60–1.82)

0.878

 Valve disease

1.90 (0.41–2.89)

0.862

 

1.13 (0.50–2.54)

0.775

Preoperative LVEF (ref, LVEF ≥ 50%)

2.05 (0.77–5.45)

0.148

 

1.60 (0.65–3.95)

0.308

NYHA

1.49 (0.76–2.94)

0.247

 

2.46 (1.38–4.39)

0.002

Preoperative drug therapy

     

 ACEI

0.75 (0.35–1.60)

0.460

 

1.00 (0.55–1.83)

0.995

 β-blocker

0.97 (0.50–1.89)

0.930

 

0.76 (0.44–1.32)

0.325

 CCB

1.41 (0.70–2.83)

0.341

 

1.02 (0.56–1.84)

0.956

 Aspirin

0.99 (0.35–2.83)

0.988

 

1.20 (0.51–2.82)

0.679

 Statins

0.39 (0.17–0.90)

0.027

 

0.67 (0.37–1.21)

0.180

Operation type (ref, CABG)

     

 Valve replacement

1.96 (0.79–4.84)

0.145

 

2.04 (1.00-4.16)

0.049

 Ascending aorta replacement

1.71 (0.70–4.21)

0.240

 

1.05 (0.52–2.14)

0.885

 Other

2.57 (0.56–11.82)

0.225

 

2.80 (0.71–10.97)

0.141

Operation time

1.17 (1.05–1.32)

0.007

 

1.08 (0.98–1.20)

0.139

Aortic clamping time

1.00 (0.99–1.01)

0.117

 

1.00 (0.99-1.00)

0.238

Blood loss (ref, 800 ml)

1.21 (0.62–2.35)

0.581

 

1.08 (0.98–1.20)

0.139

RBC infusion (U)

1.01 (0.98–1.04)

0.419

 

1.10 (0.64–1.91)

0.725

  1. Short CPB time = 0 < CPB < 173 min, long CPB time = CPB 173 ≥ minutes
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BMC Cardiovascular Disorders

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