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Table 2 Overview of Included Studies

From: Endovascular coiling versus microsurgical clipping for ruptured intracranial aneurysms: a meta-analysis and systematic review

Author

Country

Years

Type of Study

Recruitment period

Participants (n)

Gender (FM)

Age (mean ± standard)

Coil

Clip

Coil(%)

Clip(%)

Coil

Clip

Kelly et al.

Canada

2010

RCS

1995-2004

778

2342

67

65.5

54.4

53.7

Choi et al.

Korea

2016

RCS

2008-2012

8

30

62.5

60

64.75±11.47

53.17±11.96

Ayling et al.

Canada

2015

RCS

2005-2006

212

181

NA

NA

NA

NA

Berro et al.

France

2019

RCS

2012-2015

48

42

68.8

81

52 ± 10.8

52.6 ± 11.7

Darsaut et al.

Canada

2019

RCS

2012-2017

48

55

65

67

56.5

58.5

Zanaty et al.

USA

2016

RCS

2010-2015

182

70

73.6

67.1

56.6±12.4

55.9±12.7

Heit et al.

USA

2017

RCS

2010-2014

50

50

62

52

55±11.67

50±12.59

Scheller et al.

Germany

2018

RCS

2010-2015

45

54

55.8

75.9

60±13.75

57±13.75

Koh et al.

Singapore

2013

RCS

2005-2009

23

33

65.2

54.5

52.8 ± 11.6

54.1 ± 13.9

Shen et al.

China

2019

RCS

2013-2018

29

65

62

69

65.86±11.597

59.92±10.603

Zhao et al.

China

2016

prospective

2010-2012

133

129

46.6

53.5

54.5 ±11.8

54.4±10.9

McDonald et al.

USA

2014

RCS

2006-2011

1227

1227

65

66

53±13.33

53±12.59

Yu et al.

China

2007

RCS

1995-2001

80

89

60

62.9

56±13

57±13

Bekelis et al.

Lebanon

2016

RCS

2007-2012

2004

1206

73.4

77.2

75.3±6.8

73.5±6.2

Li et al.

China

2017

RCS

2002-2010

77

85

59.7

54.1

47.5±10.3

48.1±11.6

Deutsch et al.

USA

2018

RCS

2013-2014

15350

6555

65.9

69..0

55.3±33.45

54.1±31.58

Ryttlefors et al.

UK

2008

RCS

NA

138

140

68.8

74.3

NA

NA

Wadd et al.

Pakistan

2015

RCS

2010-2013

70

70

60

60

52.5±10

51±10

Hoh et al.

USA

2010

RCS

2002-2016

3564

5783

68

69

55.0±14.0

53.1±13.0

Brunken et al.

Germany

2009

RCS

1990-2004

145

370

NA

NA

53.7±15.5

50.7±16

Taweesomboonyat et al.

Thailand

2019

RCS

2002-2018

84

105

81

74.3

64.3±13.9

56.5±11.4

Zhao et al.

China

2019

RCS

2008-2015

46

65

52.2

55.4

54.5±11.2

55.5±11.1

Klompenhouwer et al.

Netherlands

2011

RCS

2000-2008

230

173

70.4

69.9

53.6

53.1

Liao et al.

China

2013

RCS

2008-2009

56

44

68

61

57.91±11.89

56.93±13.75

Zhang et al.

China

2012

RCS

2005-2009

76

122

64.5

72.95

51.7±13.0

52.8±10.4

Lusseveld et al.

Netherlands

2002

RCS

1983-1999

44

44

66

59

47.0

44.2

Varelas et al.

USA

2006

RCS

2000-2004

48

135

45

66

51±15

53±14

Hoh et al.

USA

2011

RCS

2002-2007

4306

6593

NA

NA

NA

NA

Li et al.

China

2012

RCS

2005-2009

94

92

27.7

32.6

54.7±14.2

53.7±13.8

Liu et al.

China

2013

RCS

2001-2005

281

361

60.5

66.8

55.6±15.21

56.90±13.36

Gross et al.

USA

2014

RCS

2007-2013

52

203

75

75

NA

NA

Suzuki et al.

Japan

2013

Prospective

2006-2007

297

282

65.7

69.9

62.4 ± 14.6

60.2 ± 12.5

Zaidat et al.

USA

2009

RCS

1999-2005

98

118

72

72

58 ±1.5

52 ±1.25

McDougall et al.

USA

2012

RCT

2003-2007

233

238

71

70

54.3 ± 12.0

53.1 ± 12.8

Molyneux et al

Europe

2005

RCT

1994-2002

1073

1070

63

63

52

52

Koivisto et al.

Finland

2000

RCT

1995-1997

52

57

46.1

59.6

49±14.25

50±15.25

Niskanen et al.

Finland

2004

RCS

1997-2000

68

103

52.9

57.3

54 ±13

54±13

Rabinstein et al.

USA

2003

RCS

1990-2000

76

339

62

65

56

53

Li et al.

China

2021

RCS

2015-2020

329

329

NA

NA

NA

NA

Kim et al.

Korea

2008

RCS

1999-2006

37

35

62.2

57.1

54±13

45±12

  1. Note: NA = not available; RCT = randomized controlled trial; RCS = Retrospective comparative study; FM = female