Cardiac arrest & resuscitation
Number of community first responders needed for quick response times to cardiac arrest: a nationwide study
Main finding · Response time under 5 min, first-arriving CFRResult — go to the resultAbsolute increase 13% 95% CI [5%, 21%]Authors' conclusion
The likelihood of CFR response times under 5 min increased significantly with the number of available CFRs.
Study context
- Population
- Activations of the Danish nationwide community first responder (CFR) system for OHCA, February 2018 to August 2024
- Participants
- 12,806 CFR system activations
- Exposure
- Number of available CFRs per 100,000 residents
- Outcome
- Percentage of activations with a response time under 5 min for the first-arriving CFR and the first-arriving CFR bringing an automated external defibrillator (AED)
Methodological detailsnationwide registry
- Nationwide registry
Main finding
Response time under 5 min, first-arriving CFR
Absolute increase
13%
95% CI [5%, 21%]
By group
800-899 vs 300-399
absolute increase 13% (95% CI [5%, 21%])
As reported in the abstract
Observational data: associations, not effects.
Further findings
| Outcome | 300-399 | 800-899 | Absolute increase (95% CI) | |
|---|---|---|---|---|
| Response time under 5 min, first-arriving CFR bringing an AED | 7% | 29% | 23% ([15%, 31%]) | |
| −2002040Difference (linear scale) |
Original publication
Number of community first responders needed for quick response times to cardiac arrest: a nationwide study. Resuscitation. Published 3 July 2026. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →