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Table 1 Characteristics of all patients and each group

From: Out-of-hospital cardiac arrest patients with an initial non-shockable rhythm could be candidates for extracorporeal cardiopulmonary resuscitation: a retrospective study

 

All patients

Non-shockable rhythm

Shockable rhythm

p-value

 

n = 186

n = 62

n = 124

 

Age, median (IQR)

59 (48, 65)

60 (49, 66)

58 (46, 65)

0.24

Sex, male, n (%)

158 (85)

46 (74)

112 (90)

< 0.01

Witness, n (%)

169 (91)

59 (95)

110 (89)

0.19

Bystander CPR, n (%)

119 (64)

51 (82)

68 (55)

< 0.01

Cardiac arrest after EMS personnel arrival, n (%)

55 (30)

41 (66)

14 (11)

< 0.01

Low flow time, median (IQR)

41 (33, 48)

40 (31, 51)

41 (34, 48)

0.84

Transient ROSC, n (%)

36 (19)

12 (19)

24 (19)

1

Etiology, n (%)

   

0.06

Acute coronary syndrome

77 (41)

22 (36)

55 (44)

 

Vasospastic angina

5 (3)

2 (3)

3 (2)

 

Idiopathic ventricular fibrillation

42 (23)

1 (2)

41 (33)

 

Cardiomyopathy

16 (9)

4 (6)

12 (10)

 

Pulmonary embolism

10 (5)

9 (15)

1 (1)

 

Accidental hypothermia

3 (2)

2 (3)

1 (1)

 

Aortic dissection

11 (6)

6 (10)

5 (4)

 

Respiratory failure

7 (4)

7 (11)

0

 

Others

15 (8)

9 (15)

6 (5)

 

Coronary angiography

137 (74)

31 (50)

106 (86)

< 0.01

  1. CPR cardiopulmonary resuscitation, EMS emergency medical service, IQR interquartile range, ROSC return of spontaneous circulation