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Table 1 Baseline characteristics of the study groups

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

  After protocol implementation Before protocol implementation p value
Characteristics (N = 71) (N = 69)
Male, n (%) 39 (54.9) 45 (65.2) 0.214
Age, y, median (IQR) 77 (67-86) 76 (68-83) 0.362
Cases with disabilities in daily life, n (%) 13 (18.3) 6 (8.7) 0.097
Cardiac arrest at home, n (%) 58 (81.7) 59 (85.5) 0.542
Cardiogenic cardiac arrest, n (%) 58 (81.7) 54 (78.3) 0.612
Initial rhythm of VF/VT, n (%) 8 (11.3) 15 (21.7) 0.095
Call - Arrival Time, min, median (IQR) 7 (6-10) 8 (6-10) 0.724
Advanced airway management by EMS, n (%) 40 (56.3) 48 (69.6) 0.101
Epinephrine administration by EMS, n (%) 47 (66.2) 46 (66.7) 0.953
Time from call to hospital arrival, min, median (IQR) 36 (28-42) 37* (34-46) 0.044
Survival with good neurological outcome, n (%) 1 (1.4) 3 (4.3) 0.297
  1. All continuous variables were presented as median and interquartile range and categorical variables were expressed as numbers and percentages. IQR interquartile range, VF/VT ventricular fibrillation and pulseless ventricular tachycardia, EMS emergency medical service, CPR cardiopulmonary resuscitation.*p < 0.05 by chi-square test