Table 2

Characteristics and outcomes among patients with exercise-related OHCA in relation to sex

P value
Age (years; mean±SD) (1, 22)59.1±18.459.1±16.10.97
Witnessed status (%) (1, 14)
 Crew witnessed7.05.90.77
 Bystander witnessed66.779.60.03
 Non witnessed25.914.50.03
Aetiology (%) (5, 28)
Initial rhythm (%) (5, 24)
 Ventricular fibrillation43.464.70.003
Early CPR
 (A) CPR before dispatched unit? (22, 271)
 If yes, was a defibrillator attached? (2, 4)
 If yes, was the patient defibrillated before arrival of the dispatched unit? (0, 3)
 (B) CPR by fire brigade/police before EMS arrival? (25, 278)
 If yes, was a defibrillator attached? (0, 2)
 If yes, was the patient defibrillated before EMS arrival? (1, 0)
Delay time (median, min)
 From collapse—call (n=30, 347)
 From collapse—CPR (n=34, 383)
 From collapse—defibrillation (n=14, 250)13.511.00.22
 From dispatch—arrival on scene (n=43, 448)
Outcome (%)
 ROSC at any time (1, 7)
 ROSC on arrival in hospital (4, 47)
 Alive at 30 days (0, 20)
  • 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.