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Table 6 Multivariable Cox regression analysis for ICU and hospital mortality grouped by CPB time

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

Variable

Crude

 

Model 1

 

Model 2

 

HR (95%CIs)

P value

 

HR (95%CIs)

P value

 

HR (95%CIs)

P value

ICU mortality

        

CPB time/

per10 minutes

1.06 (1.03–1.09)

< 0.001

 

1.06 (1.03–1.09)

< 0.001

 

1.13 (1.07–1.20)

< 0.001

Hospital mortality

        

CPB time/

per 10 min

1.04 (1.02–1.06)

< 0.001

 

1.041 (1.2–1.07)

< 0.001

 

1.093 (1.05–1.11)

< 0.001

  1. Model1: The results were adjusted by age, gender, BMI;
  2. Model2: The results were adjusted by age, gender, BMI, smoking, hypertension, diabetes, cerebrovascular disease, chronic lung disease, coronary heart disease, valve disease, ACEI, β_blocker, CCB, aspirin, statins, preoperative LVEF, NYHA, operation type, aortic clamping time, operation time, blood loss, transfusion of RBC