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Table 2 Summary of the information utilized to perform the meta-analysis

From: Extra-corporeal membrane oxygenation for refractory cardiogenic shock after adult cardiac surgery: a systematic review and meta-analysis

Study ID

Author

Country

Year

Average age (yrs)

Preoperative IABP usage (no. pts)

Renal Failure (no. pts)

Mean ECMO support (days)

Diabetes mellitus (no. pts)

Survivors

Patient no.

1

Khorsandi

UK

2015

71

15

2

5.5

0

5

15

2

Doll

Germany

2004

61.3

144

122

NA

68

52

219

3

Khorsandi

UK

2016

51

23

7

5.5

NA

8

23

4

Rastan

Germany

2010

63.5

383

81

4.6

168

127

516

5

Slottosch

Germany

2013

60

72

26

3.3

18

23

77

6

Hsu

Taiwan

2010

63

51

16

7.5

19

26

51

7

Ko

Taiwan

2002

56.8

44

28

NA

NA

20

76

8

Muehrcke

USA

1996

47.3

17

12

2.5

NA

7

22

9

Santarpino

Europe

2015

64.6

16

7

4.5

25

8

20

10

Saeed

Germany

2015

65

9

8

8.5

NA

2

9

11

Sajjad

UK

2012

55.6

19

NA

4

NA

1

19

12

Mikus

Italy

2013

53.1

14

7

5

4

6

14

13

Unosawa

Japan

2013

64.4

39

15

2.6

9

14

47

14

Pokersnik

USA

2012

65

29

16

4

19

15

49

15

Moreno

Spain

2011

56.8

12

4

5.4

5

6

12

16

Wu

Taiwan

2010

60

110

46

6

NA

46

110

17

Elsharkawy

USA

2010

53.5

22

101

NA

50

84

233

18

Bakhtiary

Germany

2008

60.1

30

39

6.4

38

13

45

19

Doll

Germany

2003

59.8

95

64

2.8

NA

28

95

20

Wang

Taiwan

1996

46.5

9

3

5.1

NA

6

18

21

Magovern

USA

1994

61.6

21

4

1.8

4

11

21

22

Saxena

USA

2015

76.8

45

30

4.2

17

11

45

23

Li

China

2015

56.2

73

29

4.4

NA

42

123

24

Yan

China

2010

50.5

18

30

3.1

NA

33

67

  1. Abbreviations: NA not available, pts patients, IABP intra-aortic balloon pump, ECMO extra-corporeal membrane oxygenation, no. numbers, yrs. years
  2. **R Core Team (2013). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. URL http://www.R-project.org/