Table 3 Multivariable logistic regression analysis of OHCA clinical outcomes

Sex

 Female

1.00

1.00

 Male

0.95 (0.71–1.27)

1.48 (0.98–2.27)

2.02 (1.17–3.55)

Age

0.98 (0.97–0.99)

0.96 (0.95–0.97)

0.95 (0.94–0.97)

Initial ECG

 Asystole

1.00

1.00

 Shockable

6.46 (4.64–9.04)

24.54 (12.99–42.00)

114.16 (40.96–477.02)

 PEA

1.88 (1.33–2.66)

3.11 (1.74–5.67)

9.51 (3.04–42.00)

Witness, Yes

1.51 (1.13–2.01)

1.59 (1.07–2.38)

2.34 (1.37–4.07)

Place

 Home

1.00

1.00

1.00

 Public

1.31 (0.99–1.72)

1.37 (0.96–1.97)

1.48 (0.95–2.31)

Bystander CPR, Yes

1.31 (0.98–1.76)

1.35 (0.90–2.04)

1.18 (0.70–2.00)

Prehospital airway management

 BVM

1.00

1.00

1.00

 ETI

0.40 (0.25–0.62)

0.29 (0.17–0.51)

0.19 (0.10–0.38)

 SGA

0.25 (0.16–0.39)

0.29 (0.17–0.51)

0.17 (0.09–0.31)

Prehospital epinephrine, Yes

2.78 (2.03–3.84)

0.87 (0.58–1.30)

0.66 (0.40–1.10)

Prehospital MCD, Yes

0.09 (0.07–0.12)

0.13 (0.08–0.18)

0.09 (0.06–0.16)

Dual-dispatch, Yes

2.77 (1.46–5.45)

2.41 (1.14–5.31)

2.50 (1.03–6.37)

RTI

0.96 (0.91–1.00)

0.95 (0.89–1.01)

0.96 (0.88–1.04)

STI

0.98 (0.95–1.00)

0.96 (0.93–1.00)

0.97 (0.93–1.01)

TTI

1.00 (1.00–1.00)

1.00 (1.00–1.00)

1.00 (1.00–1.01)