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Table 2 Frequency of EMS dispatch-instructions for CPR and bystander CPR before and after protocol implementation

From: Implementation of a dispatch-instruction protocol for cardiopulmonary resuscitation according to various abnormal breathing patterns: a population-based study

  Cardiac arrest 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
  1. *Chi-square test