Table 1

Baseline Characteristics According to Use of Epinephrine

Treatment With Epinephrine (n = 1,134)Treatment Without Epinephrine (n = 422)p Value
Age, yrs60.3 (16)58.3 (16)0.02
Male797 (70)315 (75)0.09
Hypertension408 (40)124 (32)0.003
Diabetes mellitus185 (18)47 (12)0.004
Smoking380 (43)163 (45)0.35
Witnessed status945 (87)371 (92)0.006
Bystander CPR480 (43)201 (49)0.05
Public location306 (27)185 (44)<0.001
Initial shockable rhythm554 (49)291 (69)<0.001
Resuscitation length <20 min373 (38)299 (80)<0.001
PCI277 (24)146 (35)<0.001
Hypothermia765 (67)318 (75)0.003
Blood lactate >5.2 mmol/l−1652 (63)94 (23)<0.001
Post–cardiac arrest shock750 (66)191 (45)<0.001

Values are n (%).

CPR = cardiopulmonary resuscitation; PCI = percutaneous coronary intervention.

  • Summarized with its median.