Cardiac arrest & resuscitation
Impact of automated external defibrillator (AEDs) and training of smartphone activated volunteers in residential areas on out-of-hospital cardiac arrest (OHCA): a nationwide stepped-wedge implementation trial
Primary result · Bystander AED applicationResult — go to the resultAdjusted odds ratio 3.94 95% CI 3.28–4.74Authors' conclusion
The implementation of AED installation in residential areas and training of smartphone activated volunteers increased bystander AED application; the impact was higher for OHCAs occurring in residential compared to public locations.
Study context
- Population
- OHCAs in Singapore, 1 April 2010 – 31 December 2020OHCAs analysed
- Participants
- 18,086 ohcas
- Comparison
- Intervention vs Control
- Interventionn = 8,180
- Controln = 9,906reference
- Primary endpoint
- Bystander AED application
Methodological detailsnationwide
- Nationwide
Primary result
As reported in the abstract
Adjusted odds ratio
3.94
95% CI 3.28–4.74
P < 0.05
Intervention vs Control
aOR 3.94 (95% CI 3.28–4.74); P < 0.05
Secondary outcomes
| Outcome | aOR (95% CI) | |
|---|---|---|
| Bystander AED application, by location of arrest (stratified analysis)Intervention vs Control · residential locations | 10.31 (6.94–15.33) | |
| Bystander AED application, by location of arrest (stratified analysis)Intervention vs Control · public locations | 2.84 (2.24–3.59) | |
| 0.050.21520Adjusted odds ratio (log scale) |
Original publication
Impact of AEDs and training of smartphone activated volunteers in residential areas on OHCA: a nationwide stepped-wedge implementation trial. Resuscitation. Published 12 September 2025. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →