Table 5 Multiple logistic regression analysis of survival at 1 month risk among out-of-hospital cardiac arrest patients after adjusting for within-hospital clustering

Post-COVID-19 pandemic

1.04

0.81–1.32

0.77

0.86

0.67–1.09

0.21

Pre-COVID-19 pandemic

1

1

Age

0.98

0.98–0.99

< 0.01

0.98

0.98–0.99

< 0.01

Male

0.88

0.72–1.08

0.24

0.90

0.74–1.10

0.31

Female

1

1

Other place

0.84

0.43–1.64

0.62

0.83

0.48–1.47

0.52

Nursing home

0.79

0.49–1.29

0.36

0.71

0.33–1.15

0.16

Public

1.60

1.20–2.13

< 0.01

1.47

1.09–1.98

0.01

Home

1

1

Witness: EMS

8.34

5.28–13.33

< 0.01

8.72

5.49–13.86

< 0.01

Witness: citizen

3.42

2.58–4.53

< 0.01

3.43

2.62–4.48

< 0.01

Witness: none

1

1

Bystander CPR +

2.04

1.51–2.76

< 0.01

1.99

1.48–2.67

< 0.01

Bystander CPR–

1

1

EMS time from call to hospital

0.98

0.97–0.99

0.01

0.98

0.97-1.00

< 0.01

Shockable rhythm

1.64

1.12–2.41

< 0.01

5.03

3.58–7.07

< 0.01

Non-shockable rhythm

1

1