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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