Cardiac arrest & resuscitation

Sex disparities in receipt of layperson bystander cardiopulmonary resuscitation and survival for adults who experienced out-of-hospital cardiac arrest in China

ResuscitationPublished Registry-based observational study

Main finding · Layperson BCPRResult — go to the resultAdjusted odds ratio 0.877 95 % CI 0.804–0.957

Authors' conclusion

In China, females with OHCA, particularly younger female individuals and with bystander-witnessed arrests, were less likely to receive BCPR than males with OHCA. No disparities were found in cases when dispatcher CPR instructions were given.

Study context

Population
Adults with nontraumatic out-of-hospital cardiac arrest (OHCA) and resuscitation attempts, BASIC-OHCA registry, China, August 1, 2019 – December 31, 2020
Participants
33,333 adults
Exposure
Females vs males
  • Femalesn = 10,650
Outcome
Receipt of layperson bystander CPR (BCPR)
Methodological detailsmultivariable logistic regression
  • Multivariable logistic regression

Main finding

Layperson BCPR

Adjusted odds ratio

0.877

95 % CI 0.804–0.957

By group

Females vs Males
aOR 0.877 (95 % CI 0.804–0.957)

As reported in the abstract

Observational data: associations, not effects.

Further findings

OutcomeaOR (95 % CI)
Layperson BCPR, age 18-44 years (subgroup)0.588 (0.412–0.839)
Layperson BCPR, bystander-witnessed arrests (subgroup)0.789 (0.701–0.887)

Layperson bystander cardiopulmonary resuscitation (BCPR), dispatcher CPR instructions given (subgroup)

No sex disparities detected
aOR = 1.175, 95 % CI: 0.887-1.556

Survival at discharge or 30 days

No significant sex differences
aOR = 1.181, 95 % CI: 0.884-1.576

Survival with good neurological function

No significant sex differences
aOR = 1.208, 95 % CI: 0.848-1.721

Original publication

Sex disparities in receipt of layperson bystander cardiopulmonary resuscitation and survival for adults who experienced out-of-hospital cardiac arrest in China. Resuscitation. Published 15 August 2025. doi:10.1016/j.resuscitation.2025.110776

Composed by AI from the published abstract and checked against it. How Briefs are made →

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