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Table 1 Main characteristics of included studies

From: Drug-eluting stents or coronary artery bypass grafting for unprotected left main coronary artery disease: a meta-analysis of four randomized trials and seventeen observational studies

Study

Year

Patients (DES/CABG)

Study year

Study design

Age (years) (DES/CABG)

Outcome

Follow-up period

Lee et al.[27]

2006

50/123

2003–2006

Observational

70/72

death, MI, TVR, stroke

1

Chieffo et al.[24]

2006

107/142

2002–2004

Observational

68/64

death, MI, TVR, stroke, MACCE

1

Palmerini et al.[29]

2007

98/161

2003–2006

Observational

78/81

death, MI, TVR

2

Sanmartin et al.[32]

2007

96/245

2000–2005

Observational

66/66

death, MI, TVR, stroke, MACCE

1

Makikallio et al.[28]

2008

49/238

2005–2007

Observational

72/70

death, MI, TVR, stroke, MACCE

1

White et al.[35]

2008

67/67

2003–2007

Observational

72/68

death, MACCE

2

Seung et al.[33]

2008

396/396

2003–2006

Observational

66/66

death, TVR, MACCE

3

Boudriot et al.[20]

2008

79/80

2003–2007

RCT

69/66

death, MI, TVR, MACCE

1

Cheng et al.[22]

2009

94/216

2000–2007

Observational

67/68

death, TVR, MACCE

3

Ghenim et al.[25]

2009

105/106

2004–2007

Observational

80/79

TVR, MACCE

1

Morice et al.[21]

2010

357/348

2005–2007

RCT

66/65

death, MI, TVR, stroke

1

Chieffo et al.[23]

2010

107/142

2002–2004

Observational

63/67

death, MI, TVR, stroke, MACCE

5

Kang et al.[26]

2010

205/257

2003–2006

Observational

64/65

death, MI, TVR, stroke, MACCE

3

Park et al.[31]

2010

784/690

2003–2006

Observational

63/64

death, TVR, MACCE

5

Park et al.[30]

2010

176/219

2003–2004

Observational

61/62

death, TVR, MI, stroke

5

Shimizu et al.[34]

2010

64/89

2004–2007

Observational

71/70

MI, TVR, stroke

1

Wu et al.[36]

2010

131/245

2003–2006

Observational

62/64

death, TVR, MACCE

4

Boudriot et al.[13]

2011

100/101

2003–2009

RCT

66/69

death, MI, TVR, MACCE

1

Park et al.[15]

2011

300/300

2004–2009

RCT

61/62

death, MI, TVR, stroke

2

Caggegi et al.[14]

2011

222/361

2002–2010

Observational

67/66

death, MI, TVR

1

Rittger et al.[16]

2011

95/205

2004–2007

Observational

71/68

death, stroke, TVR

2

  1. MACCE: Major adverse cardiac cerebrovascular events; MI: Myocardial infarction; TVR: Target vessel revascularization.