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Table 1 Incidence, outcome and characteristics of medical out-of-hospital cardiac arrest patients (n = 1138)

From: Effects of modifiable prehospital factors on survival after out-of-hospital cardiac arrest in rural versus urban areas

  Rural area
(n = 371)
Urban area
(n = 767)
p,value Number of missing data
OHCA incidence/100,000/ year (adjusted rate) 49 (52) 47 (56) 0.45  
Survival to hospital discharge, n (%) 55 (14.8) 159 (20.7) 0.021 0
Median patient age in years, (IQR) 69 (56–80) 70 (58–81) 0.31 1
Median EMS response time in minutes, (IQR) 11 (7–16) 9 (7–12) < 0.001 0
Male gender, n (%) 263 (71) 522 (68) 0.37 0
Attended by EMS physician, n (%) 308 (83) 658 (86) 0.20 3
Shockable rhythm, n (%) 129 (36) 310 (41) 0.11 26
Prehospital ROSC, n (%) 111 (30) 286 (37) 0.017 0
Witnessed OHCA, n (%) 258 (70) 528 (70) 0.75 14
Bystander CPR, n (%) 267 (73) 537 (71) 0.39 11
Cardiac arrest location home, n (%) 229 (62) 508 (66) 0.17 1
Survival to hospital discharge in bystander witnessed OHCA with shockable first rhythm 43 (41) 132 (50) 0.14 0
  1. The p values are calculated by Poisson regression, The Mann-Whitney test, chi-square tests as appropriate
  2. CPR cardiopulmonary resuscitation, EMS emergency medical services, OHCA out-of-hospital cardiac arrest, ROSC return of spontaneous circulation