Category | Interval from call to bystander CPR | Considerable delay of emergency call | |
---|---|---|---|
 |  | No | Yes |
Call first or CPR first | Â | Â | Â |
 |  | (interval from collapse to call <6 min) | (interval from collapse to call ≥6 min) |
Call first with considerable delay of CPR | >3 min, n/total | 0/5 (0%) | 0/20 (0%) |
Standard call first with small delay of CPR | 0–3 min, n/total | 7/94 (6.6%) | 0/10 (0%) |
CPR first | <0 min, n/total | 2/54 (1.9%) | 0/9 (0%) |