Table 3 Multiple logistic regression analysis for factors affected survival to discharge and good neurological function -6 months later months later.

From: Comparing clinical only and combined clinical laboratory models for ECPR outcomes in refractory cardiac arrest

Predict: Survival to discharge

Model 1(n = 149)

Model 2(n = 138)

β

aOR (95% CI)

P-value

S1

β

aOR (95% CI)

P-value

S2

Age

 < 55

    

1.27

3.55 (1.45–8.70)

0.006

5

 >  = 55

     

1.00

  

Location of cardiac arrest

OHCA or IHCA

 

1.00

      

EDCA

1.34

3.83 (1.44–10.14)

0.007

5

    

CPR to ECMO (min)

 < 48

1.41

4.09 (1.83–9.18)

0.001

5

1.78

5.91 (2.41–14.52)

 < 0.001

7

 >  = 48

 

1.00

   

1.00

  

Initial cardiac rhythm

Asystole or PEA

 

1.00

   

1.00

  

Pulseless VT or Vf

1.86

6.40 (2.68–15.31)

 < 0.001

7

1.75

5.73 (2.31–14.21)

 < 0.001

7

Initial pH

 < 7.31

     

1.00

  
 

 >  = 7.31

    

1.50

4.49 (1.78–11.30)

0.001

6

Predict: Good neurological function-6 months later months later

Model 1(n = 149)

Model 2(n = 134)

β

aOR (95% CI)

P-value

F1

β

aOR (95% CI)

P-value

F2

Age

 < 55

1.00

2.73 (1.15–6.51)

0.023

5

1.12

3.07 (1.25–7.55)

0.015

5

 >  = 55

 

1.00

   

1.00

  

Location of cardiac arrest

OHCA or IHCA

 

1.00

      

EDCA

1.44

4.23 (1.56–11.52)

0.005

7

    

CPR to ECMO (min)

 < 40

1.34

3.81 (1.63–8.94)

0.002

7

1.08

2.94 (1.23–7.04)

0.015

5

 >  = 40

 

1.00

   

1.00

  

Initial cardiac rhythm

Asystole or PEA

 

1.00

   

1.00

  

Pulseless VT or Vf

1.81

6.09 (2.20–16.85)

0.001

9

1.43

4.17 (1.60–10.88)

0.004

7

Lactate (IU/mL)

 <  = 9.7

    

1.03

2.78 (1.06–7.40)

0.038

5

 > 9.7

     

1.00

  
  1. β: regression coefficient; aOR: adjusted odds ratio. The Hosmer–Lemeshow goodness-of-fit test indicated no evidence of the lack of fit in the selected model.
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