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Table 3 Association between OHCA-variables and 30-day survival among 1764 TCAs in the Swedish Register for Cardiopulmonary Resuscitation between 1990 and 2016

From: Traumatic cardiac arrest in Sweden 1990-2016 - a population-based national cohort study

OHCA variable

Crude OR (95% CI)

Adjusted OR (95% CI) a

Bystander witnessed

 No

1.00 (Reference)

1.00 (Reference)

 Yes

3.16. (1.39–7.17)

2.67 (1.15–6.22)

CPR before EMS arrival

 No

1.00 (Reference)

1.00 (Reference)

 Yes

2.45 (1.13–5.27)

2.11 (0.92–4.84)

Initial rhythm

 Non-shockable

1.00 (Reference)

1.00 (Reference)

 Shockable

9.79 (4.93–19.44)

8.94 (4.27–18.67)

Adrenaline

 No

1.00 (Reference)

1.00 (Reference)

 Yes

0.48 (0.23–0.99)

0.35 (0.17–0.73)

  1. a Multivariable regression model including bystander witnessed or not, CPR before arrival of EMS, initial heart rhythm, adrenaline or not as well as time from call to arrival of EMS