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Table 2 Comparison of CPR-related characteristics between non-survivors and survivors

From: Predictors of survival following extracorporeal cardiopulmonary resuscitation in patients with acute myocardial infarction-complicated refractory cardiac arrest in the emergency department: a retrospective study

  Non-survivors Survivors p
n = 30 n = 7
Status on arrival    0.395**
 Unstable vital sign 7 (23%) -
 Cardiogenic shock 11 (37%) 2 (29%)
 VT/Vf 10 (33%) 4 (57%)
 PEA 1 (3%) 1 (14%)
 Asystole 1 (3%) -
CPR location    0.080*
 Out of hospital 9 (30%) 5 (71%)
 In-ED/Cath lab 21 (70%) 2 (29%)
Transit time from Victims scene to hospital of OHCA 18.0 ± 17.9 22 ± 18.7 0.643
CPR time, min, mean (SD) 52.23 (37.18) 44.71 0.635
ROSC >20 min during CPR 9(30%) 1(14%) 0.647*
Door to balloon time, min, mean (SD) 107.44 (60.61) 66.14 (21.06) 0.054
Door to ECMO time, min, mean (SD) 94.10 (56.96) 42.86 (14.53) 0.001
ROSB After ECMO 28 (93%) 7 (100%) 1.000*
IABP    0.032**
 Pre-/with ECMO 10(33%) -
 After ECMO removal - 1(14%)
CPR-related complications    0.181**
 Hemothorax 3 (10%) -
 Chest wall compartment 4 (13%) -
 Hypoxic brain damage 9 (30%) 2 (29%)
 Pulmonary haemorrhage 5 (17%) -
  1. CPR, cardiopulmonary resuscitation; ED, emergency department; Cath lab, catheter laboratory; ECMO, extracorporeal membrane oxygenation; ROSB, return of spontaneous beat. ROSC time is not excluded.
  2. *Fisher’s Exact test; **Pearson chi-square test.