Acute cardiac care & resuscitationCohort study

Variation in Bystander Cardiopulmonary Resuscitation Delivery and Subsequent Survival From Out-of-Hospital Cardiac Arrest Based on Neighborhood-Level Ethnic Characteristics

CirculationPublished

  • Retrospective cohort study
  • multivariable analysis

Authors' conclusion

Individuals with out-of-hospital cardiac arrest in predominantly Hispanic neighborhoods were less likely to receive B-CPR and had lower likelihood of survival.

Study context

Population
Adult OHCA events, Resuscitation Outcomes Consortium Epistry US sites, 2011–2015 (excluding EMS-witnessed and healthcare/institutional-facility arrests)of 27,481 arrest events
Participants
18,927 events
Exposure
Neighborhood-level proportion of Hispanic residents
Outcome
Receipt of bystander CPR (B-CPR) and survival

Main finding

As reported in the abstract

B-CPR
Each group vs <25% HispanicOdds ratio (CI)P value
51% to 75% HispanicB-CPR
0.79(0.65–0.95)
P = 0.014
>75% HispanicB-CPR
0.72(0.55–0.96)
P = 0.025
>75% Hispanicsurvival
0.56(0.34–0.93)
P = 0.023
Bystander cardiopulmonary resuscitation (B-CPR) overall
37%
Survival global P value
0.029

Observational data: associations, not effects.

Original publication

Variation in Bystander Cardiopulmonary Resuscitation Delivery and Subsequent Survival From Out-of-Hospital Cardiac Arrest Based on Neighborhood-Level Ethnic Characteristics. Circulation. Published 30 December 2019. doi:10.1161/circulationaha.119.041541

Summarised from the published abstract; every number is checked against it