Table 1

Characteristics and outcome of OHCA in relation to exercise

P value
Age (mean±SD; years) (23, 592)59.1±16.365.6±18.2<0.0001
Sex (%) (0, 1)
Witnessed status (%) (15, 283)
 Crew witnessed6.023.3<0.0001
 Bystander witnessed78.449.8<0.0001
 Non witnessed15.626.8<0.0001
Aetiology (%) (33, 380)
Initial rhythm (%) (29, 359)
 Ventricular fibrillation62.929.7<0.0001
CPR before arrival of EMS (6, 243)
Delay time (median, min)
 From collapse—call (n=377, n=3077)220.25
 From collapse—CPR (n=417, n=3757)12<0.0001
 From collapse—defibrill. (n=264, n=1337)11110.51
 From dispatch—arrival of EMS (n=491, n=5693)990.11
Outcome (%)
ROSC at any time (8, 223)
ROSC on arrival in hospital
Alive at 30 days (20, 254)
  • Numbers presented in parenthesis is the frequency of patients with missing information.

  • CPR, cardiopulmonary resuscitation; EMS, emergency medical service; OHCA, out-of-hospital cardiac arrest; ROSC, return of spontaneous circulation.