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Table 1 Characteristics of included studies.

From: Chest compressions before defibrillation for out-of-hospital cardiac arrest: A meta-analysis of randomized controlled clinical trials

Author

Year

Location

Group

Patients (n)

Age (yrs)

Male (%)

Witnessed (%)

Bystander CPR performed (%)

Response time (min)

Jost [15]

2010

France

Defi.-first

424

62

79

86

21

10:54

   

Compr.-first

421

65

78

87

21

10:30

Baker [16]

2008

Australia

Defi -first

105

66*

80

79

58

08:14

   

Compr.-first

97

65*

84

84

59

07:41

Jacobs [17]

2005

Australia

Defi -first

137

62

80

74

54

09:00

   

Compr.-first

119

64

80

80

64

09:20

Wik [18]

2003

Norway

Defi -first

96

80*

89

94

56

11:42

   

Compr.-first

104

71*

85

91

62

12:00

  1. *Median; Compr-first: chest compressions before defibrillation; Defi.-first: immediate defibrillation before chest compressions; response time: time-to arrival of ambulance.