Table 4 Hierarchical multivariable logistic regression analysis stratified by sex

EMS arrival (per min)

0.91

0.88–0.94

< 0.001

0.96

0.94–0.98

< 0.001

Age (per year)

0.97

0.96–0.98

< 0.001

0.98

0.97–0.99

< 0.001

 Not public

 Public

1.70

1.35–2.26

< 0.001

1.74

1.34–2.25

< 0.001

 Unwitnessed

2.04

1.76–2.35

< 0.001

 Bystander witnessed

2.90

2.40–3.51

< 0.001

 No CPR

1.03–1.49

0.006

 Bystander CPR

1.35

1.15–1.60

< 0.001

1.24

 50–99

 100–120

1.72

1.35–2.18

< 0.001

1.42

1.05–1.88

< 0.001

 >120

1.01

0.63–1.61

0.96

0.95

0.57–1.56

0.84

 Nonshockable

< 0.001

 Shockable

7.29

6.03–8.81

< 0.001

3.76

3.06–4.62

 No

0.27

0.21–0.33

< 0.001

 Yes

0.09

0.08–0.11

< 0.001

 No

 Yes

0.55

0.44–0.68

< 0.001

0.45

0.38–0.52

< 0.001

 No

2.46

1.98–3.05

< 0.001

 Yes

7.21

5.91–8.75

< 0.001