Table 2 Outcomes of all patients and subgroups.

All patients (n = 430)

Monophasic (n = 127)

31

24.4%

0.52

41

32.3%

0.50

22

17.5%

0.12

   Biphasic (n = 303)

83

27.4%

108

35.6%

74

24.4%

Age category

   Children (1 to 11 years)

Monophasic (n = 35)

6

17.1%

0.10

9

25.7%

0.51

3

8.6%

0.72

Biphasic (n = 84)

6

7.1%

17

20.2%

9

10.7%

   Adolescents (12 to 17 years)

Monophasic (n = 92)

25

27.2%

0.17

32

34.8%

0.27

19

20.9%

0.11

Biphasic (n = 219)

77

35.2%

91

41.6%

65

29.7%

Time from emergency call to CPR by EMS

   Early response (0 to 6 minutes)

Monophasic (n = 46)

13

28.3%

0.35

19

41.3%

0.65

11

24.4%

0.37

Biphasic (n = 91)

33

36.3%

34

37.4%

29

31.9%

   Moderate response (7 to 12 minutes)

Monophasic (n = 67)

17

25.4%

0.93

21

31.3%

0.20

10

14.9%

0.12

Biphasic (n = 169)

42

24.9%

68

40.2%

41

24.3%

   Late response (13 to 18 minutes)

Monophasic (n = 13)

1

7.7%

0.33

1

7.7%

0.53

1

7.7%

0.84

Biphasic (n = 42)

8

19.0%

6

14.3%

4

9.5%

   Cardiac

Monophasic (n = 82)

25

30.5%

0.61

32

39.0%

0.53

19

23.2%

0.059

Biphasic (n = 190)

64

33.7%

82

43.2%

66

34.7%

   Noncardiac

Monophasic (n = 45)

6

13.3%

0.59

9

20.0%

0.68

3

6.8%

0.95

Biphasic (n = 113)

19

16.8%

26

23.0%

8

7.1%

   2000 Guideline based

Monophasic (n = 74)

17

23.0%

0.12

24

32.4%

0.64

12

16.4%

0.50

Biphasic (n = 72)

25

34.7%

26

36.1%

15

20.8%

   2005 Guideline based

Monophasic (n = 53)

14

26.4%

0.84

17

32.1%

0.64

10

18.9%

0.31

Biphasic (n = 231)

58

25.1%

82

35.5%

59

25.5%