Table 1.
Patient and arrest characteristics
| Exercise SCA |
Presumed cardiac OHCA* |
||||
|---|---|---|---|---|---|
| N | Per cent | N | Per cent | ||
| Age (mean with range in parentheses) | 49.7 (9–84) | 68.0 (1–108) | t(105.1)=9.61, p<0.001 | ||
| Initial rhythm | χ2=89.57, df=3, p<0.001 | ||||
| VF/VT | 68 | 68 | 1745 | 26 | |
| Asystole | 23 | 23 | 3156 | 47 | |
| PEA | 9 | 9 | 1739 | 26 | |
| Unknown | 0 | 0 | 73 | 1 | |
NB—due to rounding percentages may not equal 100%.
*Cases where resuscitation was attempted.
OHCA, out-of-hospital cardiac arrest; PEA, pulseless electrical activity; SCA, sudden cardiac arrest; VF/VT, ventricular fibrillation/ventricular tachycardia.