From: Implementation of a dispatch-instruction protocol for cardiopulmonary resuscitation according to various abnormal breathing patterns: a population-based study
Cardiac arrest
p value
After protocol implementation
Before protocol implementation
(N = 71)
(N = 69)
EMS dispatched instruction for CPR, n (%)
55* (77.5)
41 (59.4)
0.021
Bystander CPR, n (%)
44 (62.0)
32 (46.4)
0.064