Outcomes | Initial shockable rhythm (N= 15,492) | Initial nonshockable rhythm (N= 194,085) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
 | Epinephrine | No epinephrine | P value | Epinephrine | No epinephrine | P value | ||||
 | (n = 3,136) | (n = 12,356) |  | (n = 20,540) | (n = 173,545) |  | ||||
Prehospital ROSC | 716 | (22.8) | 3,426 | (27.7) | <0.0001 | 3,847 | (18.7) | 5,248 | (3.0) | <0.0001 |
One-month survival | 482 | (15.4) | 3,338 | (27.0) | <0.0001 | 795 | (3.9) | 3,819 | (2.2) | <0.0001 |
One-month CPC score 1 or 2 | 219 | (7.0) | 2,301 | (18.6) | <0.0001 | 121 | (0.59) | 1,078 | (0.62) | 0.605 |