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Table 1 Comparison of patients’ clinical characteristics between non-survivors and survivors

From: Out-of-hospital cardiac arrest patients treated with cardiopulmonary resuscitation using extracorporeal membrane oxygenation: focus on survival rate and neurologic outcome

 

All

Non-survivors

Survivors

p

N = 23

N = 13

N = 10

Age, years

55 (40, 68)

57 (46.5, 72.5)

52 (35.5, 61)

0.208

Gender, male (%)

20

10

10

0.229

BMI

22.8 (21.9, 26.1)

22.9 (21.2, 28.1)

22.6 (22.4, 24.1)

0.648

Past medical history

    

 Hypertension

12

8

4

0.414

 Diabetes

12

8

4

0.414

 Previous PCI

4

3

1

0.604

 Cerebral vascular accident

2

1

1

1.000

Causes of cardiac arrest

   

0.329

 AMI

15

8

7

 Anaphylactic shock

3

3

-

 Arrhythmia

2

1

1

 Commotio Cordis

1

-

1

 Hypothermia

1

-

1

 AAA rupture

1

1

-

Pre-ECMO laboratory findings

    

 pH

7.01 (6.80, 7.08)

6.98 (6.80, 7.13)

7.02 (6.97, 7.04)

0.422

 PaO2

33 (7, 54.5)

10 (6, 42)

51 (28, 70)

0.009a

 PaCO2

69 (55.5, 97.5)

71 (64.5, 103)

61 (37.5, 88)

0.095

 CK-MB

6.1 (2.2, 15.73)

4.4 (2.0, 24.2)

6.1 (2.5, 7.6)

0.976

 Troponin-I

0.17 (0.06, 3.25)

0.17 (0.07, 6.15)

0.17 (0.05, 1.03)

0.522

 BUN

14.5 (11.3, 20.1)

14.5 (12.1, 21.0)

16.0 (9.2, 20.5)

0.927

 Creatinine

1.2 (1.1, 1.4)

1.3 (0.8, 1.4)

1.2 (1.1, 1.5)

0.784

 Total bilirubin

0.78 (0.59, 1.13)

0.75 (0.57, 1.11)

0.92 (0.7, 1.21)

0.410

 Lactate

9.7 (7.7, 13.2)

10.4 (8.4, 13.9)

9.0 (6.9, 11.6)

0.284

Pre-ECMO

    

 SOFA score

14 (13, 16)

14 (13.5, 16)

14 (12.8, 15.3)

0.446

 SAPS 2 score

87 (80, 97)

90 (83.5, 99.5)

82.5 (75, 91.3)

0.077

PCI

15 (65.2 %)

9 (69.2 %)

6 (60 %)

0.646

IABP

   

0.604

 Pre-ECMO

2

1

1

 After-ECMO

2

2

-

CRRT

18

10

8

1.000

  1. BMI body mass index, PCI percutaneous coronary intervention, AAA abdominal aortic aneurysm, BUN blood urea nitrogen, SOFA, sequential organ failure assessment, SAPS 2 simplified acute physiology score, IABP intra-aortic balloon pump, CRRT continuous renal replacement therapy, IQR continuous variables expressed median
  2. asignificant difference