Cardiac arrest & resuscitation
The factors associated with the provision of public access defibrillation in Japan − A nationwide cohort study
Authors' conclusion
Male patients, other public place onset, witnessed by non-family and conventional CPR were associated with PAD provide.
Study context
- Population
- Out-of-hospital cardiac arrest (OHCA) patients to whom bystanders applied automated external defibrillators (AEDs) and who were deemed eligible for AED defibrillation, Japan, 2021eligible for analysis
- Participants
- 1,949 patients
- Exposure
- PAD provided vs no PAD provided
- PAD providedn = 1,696
- No PAD providedn = 253reference
- Outcome
- Factors associated with PAD provided
Methodological detailsnationwide, registry-based (All-Japan Utstein and Emergency Transport Registries, 2021), multivariable logistic regression with Firth bias adjustment
- Nationwide
- Registry-based (All-Japan Utstein and Emergency Transport Registries, 2021)
- Multivariable logistic regression with Firth bias adjustment
Main finding
As reported in the abstract
Adjusted odds ratio (95% CI)
Male vs Female
1.61(1.17–2.21)
Other public place vs Public place
10.65(1.40–1367.54)
Non-family member witnessed vs Unwitnessed
2.51(1.86–3.42)
Conventional CPR vs Hands-only CPR
1.75(1.17–2.67)
Over 65 years old vs 19-64 yr
0.48(0.28–0.80)
Night-time onset vs Daytime
0.61(0.45–0.83)
Non-cardiogenic vs Cardiogenic
0.43(0.31–0.61)
Home setting vs Public place
0.33(0.14–0.83)
Healthcare facility setting vs Public place
0.40(0.23–0.66)
No bystander CPR vs Hands-only CPR
0.31(0.14–0.71)
Dispatcher-assistance vs No dispatcher-assistance
0.72(0.53–0.97)
Observational data: associations, not effects.
Original publication
The factors associated with the provision of public access defibrillation in Japan − A nationwide cohort study. Resuscitation. Published 5 September 2024. doi:10.
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