Table 2 Variables for analysis
Patient factors | System factors | Clinical factors |
|---|---|---|
Age | Time of collapse | Adrenaline dose (mg) |
Gender | Time to basic resuscitation | Progression to a shockable rhythm |
Arrest witnessed | Time to advanced resuscitation | Defibrillation |
Bystander resuscitation | Duration of arrest | End-tidal carbon dioxide |
Co-morbidities | Duration of basic life support (BLS) | Heart rate |
Place of arrest | Duration of advanced life support (ALS) | Return of spontaneous circulation |
Family wishes considered | Total duration of out of hospital cardiac arrest | Rationale for cessation of resuscitation |