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Table 1 Baseline characteristics of the included studies

From: Associations of therapeutic hypothermia with clinical outcomes in patients receiving ECPR after cardiac arrest: systematic review with meta-analysis

Author

Region

Period

Gender (F/M)

Age (yrs.)

IHCA

OHCA

Witnessed CA

Bystander CPR attempt

Shockable rhythm

TH cases

TH temperature

Control temperature

Neurological outcomes

Survival

Follow-up

Kagawa et al., 2012

Japan

2004–2011

16/70

63.0

44

42

77

67

46

32

34 °C

> 34 °C

NO

YES

30 days

Maekawa et al., 2013

Japan

2000–2004

9/44

54.5

0

53

53

29

32

25

34 °C

> 34 °C

YES

YES

3 months

Kim et al., 2014

Korea

2006–2013

12/40

53.0

0

52

42

22

31

14

33 °C

Not induced

YES

NO

3 months

Kagawa et al., 2015

Japan

2003–2014

23/64

61.8

33

54

82

66

40

48

< 34 °C

> 34 °C

YES

NO

3 months

Choi et al., 2016

Korea

2011–2015

3//7

57.2

0

10

10

8

3

6

33 °C

Not induced

YES

YES

30 days

Lee et al., 2016

Korea

2009–2014

3//20

55.0

0

23

23

14

10

18

33–34 °C

Not induced

NO

YES

30 days

Dennis et al., 2017

Australia

2009–2016

10/27

54.0

25

12

27

30

19

15

33 °C

36 °C

YES

YES

Hospital discharge

Pang et al., 2017

Singapore

2003–2016

17/62

49.9

73

6

73

NA

33

14

34 °C

Not induced

YES

YES

Hospital discharge

Yukawa et al., 2017

Japan

2011–2015

14/65

59.0

0

79

79

46

58

50

34 °C

Not induced

YES

NO

Hospital discharge

Goto et al., 2018

Japan

2005–2013

25/119

63.0

0

144

25

54

88

63

34 °C

> 34 °C

NO

YES

30 days

Otani et al., 2018

Japan

2009–2017

20/115

65.0

0

135

135

74

87

28

34 °C

36 °C

YES

NO

Hospital discharge

Han et al., 2019

Korea

2006–2017

26/74

55.5

25

75

86

73

54

26

33 °C

Not induced

NO

YES

Hospital discharge

Ryu et al., 2019

Korea

2004–2016

100/174

62.0

250

24

250

272

143

36

32–34 °C

> 34 °C

YES

YES

Hospital discharge

  1. Abbreviations: CA cardiac arrest; IHCA in-hospital cardiac arrest; OHCA out-of-hospital cardiac arrest; CPR cardiopulmonary resuscitation; TH therapeutic hypothermia; F female; M male; NA not applicable