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Table 3 Adjusted odds ratios of epinephrine use for outcomes in the four EMSs’ CPR-duration groups

From: Effects of prehospital epinephrine administration on neurological outcomes in patients with out-of-hospital cardiac arrest

Group Group 1 Group 2 Group 3 Group 4
<15 min 15–19 min 20–26 min ≥27 min
ROSC     
 OR 10.457 10.998 10.635 9.174
 95 % CI 6.573–16.634 7.797–15.515 7.349–15.395 6.074–13.856
P value <0.001 <0.001 <0.001 <0.001
1-month survival     
 OR 1.425 1.538 1.386 1.124
 95 % CI 1.254–1.619 1.347–1.755 1.200–1.602 0.959–1.318
P value <0.001 <0.001 <0.001 0.15
CPC 1 or 2     
 OR 0.967 1.327 0.967 1.03
 95 % CI 0.774–1.027 1.017–1.733 0.774–1.207 0.728–1.458
P value 0.766 0.037 0.766 0.866
  1. EMS emergency medical service, CPR cardiopulmonary resuscitation, ROSC return of spontaneous circulation, OR odds ratio, CPC cerebral performance category